39697606434 has 32 divisors (see below), whose sum is σ = 81651706560. Its totient is φ = 12857424192.

The previous prime is 39697606393. The next prime is 39697606439. The reversal of 39697606434 is 43460679693.

It is not an unprimeable number, because it can be changed into a prime (39697606439) 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, 43072 + ... + 285044.

It is an arithmetic number, because the mean of its divisors is an integer number (2551615830).

Almost surely, 2^39697606434 is an apocalyptic number.

39697606434 is an abundant number, since it is smaller than the sum of its proper divisors (41954100126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39697606434 is a wasteful number, since it uses less digits than its factorization.

39697606434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242754.

The product of its (nonzero) digits is 17635968, while the sum is 57.

The spelling of 39697606434 in words is "thirty-nine billion, six hundred ninety-seven million, six hundred six thousand, four hundred thirty-four".