39609446765696 has 64 divisors (see below), whose sum is σ = 83441616168960. Its totient is φ = 18698401228800.

The previous prime is 39609446765659. The next prime is 39609446765723. The reversal of 39609446765696 is 69656764490693.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 39609446765696.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121571696 + ... + 121897071.

It is an arithmetic number, because the mean of its divisors is an integer number (1303775252640).

Almost surely, 2^{39609446765696} is an apocalyptic number.

It is an amenable number.

39609446765696 is an abundant number, since it is smaller than the sum of its proper divisors (43832169403264).

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

39609446765696 is a wasteful number, since it uses less digits than its factorization.

39609446765696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243468853 (or 243468841 counting only the distinct ones).

The product of its (nonzero) digits is 9523422720, while the sum is 80.

The spelling of 39609446765696 in words is "thirty-nine trillion, six hundred nine billion, four hundred forty-six million, seven hundred sixty-five thousand, six hundred ninety-six".