14149386461 has 6 divisors (see below), whose sum is σ = 16459490430. Its totient is φ = 12128045496.

The previous prime is 14149386439. The next prime is 14149386481. The reversal of 14149386461 is 16468394141.

It can be written as a sum of positive squares in only one way, i.e., 13071577561 + 1077808900 = 114331^2 + 32830^2 .

It is a de Polignac number, because none of the positive numbers 2^k-14149386461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14149386401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144381446 + ... + 144381543.

It is an arithmetic number, because the mean of its divisors is an integer number (2743248405).

Almost surely, 2^14149386461 is an apocalyptic number.

It is an amenable number.

14149386461 is a deficient number, since it is larger than the sum of its proper divisors (2310103969).

14149386461 is an equidigital number, since it uses as much as digits as its factorization.

14149386461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288763003 (or 288762996 counting only the distinct ones).

The product of its digits is 497664, while the sum is 47.

The spelling of 14149386461 in words is "fourteen billion, one hundred forty-nine million, three hundred eighty-six thousand, four hundred sixty-one".