15428304764 has 6 divisors (see below), whose sum is σ = 26999533344. Its totient is φ = 7714152380.

The previous prime is 15428304743. The next prime is 15428304791. The reversal of 15428304764 is 46740382451.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1928538092 + ... + 1928538099.

It is an arithmetic number, because the mean of its divisors is an integer number (4499922224).

Almost surely, 2^15428304764 is an apocalyptic number.

It is an amenable number.

15428304764 is a deficient number, since it is larger than the sum of its proper divisors (11571228580).

15428304764 is a wasteful number, since it uses less digits than its factorization.

15428304764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3857076195 (or 3857076193 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 15428304764 in words is "fifteen billion, four hundred twenty-eight million, three hundred four thousand, seven hundred sixty-four".