15764468964 has 24 divisors (see below), whose sum is σ = 36789335520. Its totient is φ = 5254026624.

The previous prime is 15764468921. The next prime is 15764468969. The reversal of 15764468964 is 46986446751.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 15764468898 and 15764468907.

It is not an unprimeable number, because it can be changed into a prime (15764468969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14134 + ... + 178125.

It is an arithmetic number, because the mean of its divisors is an integer number (1532888980).

Almost surely, 2^15764468964 is an apocalyptic number.

It is an amenable number.

15764468964 is an abundant number, since it is smaller than the sum of its proper divisors (21024866556).

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

15764468964 is a wasteful number, since it uses less digits than its factorization.

15764468964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199099 (or 199097 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 60.

The spelling of 15764468964 in words is "fifteen billion, seven hundred sixty-four million, four hundred sixty-eight thousand, nine hundred sixty-four".