27397404629 has 16 divisors (see below), whose sum is σ = 33647995008. Its totient is φ = 21772219392.

The previous prime is 27397404607. The next prime is 27397404647. The reversal of 27397404629 is 92640479372.

It is a de Polignac number, because none of the positive numbers 2^k-27397404629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27397404659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1710164 + ... + 1726109.

It is an arithmetic number, because the mean of its divisors is an integer number (2102999688).

Almost surely, 2^27397404629 is an apocalyptic number.

It is an amenable number.

27397404629 is a deficient number, since it is larger than the sum of its proper divisors (6250590379).

27397404629 is a wasteful number, since it uses less digits than its factorization.

27397404629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436364.

The product of its (nonzero) digits is 4572288, while the sum is 53.

The spelling of 27397404629 in words is "twenty-seven billion, three hundred ninety-seven million, four hundred four thousand, six hundred twenty-nine".