39399496722 has 24 divisors (see below), whose sum is σ = 85369240476. Its totient is φ = 13132601856.

The previous prime is 39399496711. The next prime is 39399496723. The reversal of 39399496722 is 22769499393.

39399496722 is a `hidden beast` number, since 39 + 3 + 99 + 496 + 7 + 22 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 39355021161 + 44475561 = 198381^2 + 6669^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 39399496722.

It is not an unprimeable number, because it can be changed into a prime (39399496723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 743658 + ... + 794874.

Almost surely, 2^39399496722 is an apocalyptic number.

39399496722 is an abundant number, since it is smaller than the sum of its proper divisors (45969743754).

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

39399496722 is a wasteful number, since it uses less digits than its factorization.

39399496722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93962 (or 93959 counting only the distinct ones).

The product of its digits is 39680928, while the sum is 63.

The spelling of 39399496722 in words is "thirty-nine billion, three hundred ninety-nine million, four hundred ninety-six thousand, seven hundred twenty-two".