3914489949049 has 3 divisors (see below), whose sum is σ = 3914491927557. Its totient is φ = 3914487970542.

The previous prime is 3914489949037. The next prime is 3914489949077. The reversal of 3914489949049 is 9409499844193.

The square root of 3914489949049 is 1978507.

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 is not a de Polignac number, because 3914489949049 - 2¹³ = 3914489940857 is a prime.

It is a super-2 number, since 2×3914489949049² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3914489949079) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 989254 + ... + 2967760.

It is an arithmetic number, because the mean of its divisors is an integer number (1304830642519).

Almost surely, 2^{3914489949049} is an apocalyptic number.

3914489949049 is the 1978507-th square number.

3914489949049 is the 989254-th centered octagonal number.

It is an amenable number.

3914489949049 is a deficient number, since it is larger than the sum of its proper divisors (1978508).

3914489949049 is an frugal number, since it uses more digits than its factorization.

3914489949049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3957014 (or 1978507 counting only the distinct ones).

The product of its (nonzero) digits is 362797056, while the sum is 73.

The spelling of 3914489949049 in words is "three trillion, nine hundred fourteen billion, four hundred eighty-nine million, nine hundred forty-nine thousand, forty-nine".