39029055697 has 2 divisors, whose sum is σ = 39029055698. Its totient is φ = 39029055696.

The previous prime is 39029055683. The next prime is 39029055733. The reversal of 39029055697 is 79655092093.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37247456016 + 1781599681 = 192996^2 + 42209^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39029055697 is a prime.

It is not a weakly prime, because it can be changed into another prime (39029055607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19514527848 + 19514527849.

It is an arithmetic number, because the mean of its divisors is an integer number (19514527849).

Almost surely, 2^39029055697 is an apocalyptic number.

It is an amenable number.

39029055697 is a deficient number, since it is larger than the sum of its proper divisors (1).

39029055697 is an equidigital number, since it uses as much as digits as its factorization.

39029055697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4592700, while the sum is 55.

The spelling of 39029055697 in words is "thirty-nine billion, twenty-nine million, fifty-five thousand, six hundred ninety-seven".