15321474794 has 8 divisors (see below), whose sum is σ = 23981438880. Its totient is φ = 7327661836.

The previous prime is 15321474769. The next prime is 15321474797. The reversal of 15321474794 is 49747412351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (15321474797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166537724 + ... + 166537815.

It is an arithmetic number, because the mean of its divisors is an integer number (2997679860).

Almost surely, 2^15321474794 is an apocalyptic number.

15321474794 is a deficient number, since it is larger than the sum of its proper divisors (8659964086).

15321474794 is a wasteful number, since it uses less digits than its factorization.

15321474794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333075564.

The product of its digits is 846720, while the sum is 47.

The spelling of 15321474794 in words is "fifteen billion, three hundred twenty-one million, four hundred seventy-four thousand, seven hundred ninety-four".