14149311064249 has 3 divisors (see below), whose sum is σ = 14149314825807. Its totient is φ = 14149307302692.

The previous prime is 14149311064199. The next prime is 14149311064277. The reversal of 14149311064249 is 94246011394141.

The square root of 14149311064249 is 3761557.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 5619009498025 + 8530301566224 = 2370445^2 + 2920668^2 .

It is not a de Polignac number, because 14149311064249 - 2¹⁵ = 14149311031481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14149311064649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1880779 + ... + 5642335.

It is an arithmetic number, because the mean of its divisors is an integer number (4716438275269).

Almost surely, 2^{14149311064249} is an apocalyptic number.

14149311064249 is the 3761557-th square number.

14149311064249 is the 1880779-th centered octagonal number.

It is an amenable number.

14149311064249 is a deficient number, since it is larger than the sum of its proper divisors (3761558).

14149311064249 is an frugal number, since it uses more digits than its factorization.

14149311064249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7523114 (or 3761557 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

Multiplying 14149311064249 by its sum of digits (49), we get a square (693316242148201 = 26330899²).

The spelling of 14149311064249 in words is "fourteen trillion, one hundred forty-nine billion, three hundred eleven million, sixty-four thousand, two hundred forty-nine".