15281970428 has 12 divisors (see below), whose sum is σ = 27606140352. Its totient is φ = 7394501760.

The previous prime is 15281970391. The next prime is 15281970433. The reversal of 15281970428 is 82407918251.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61620725 + ... + 61620972.

It is an arithmetic number, because the mean of its divisors is an integer number (2300511696).

Almost surely, 2^15281970428 is an apocalyptic number.

It is an amenable number.

15281970428 is a deficient number, since it is larger than the sum of its proper divisors (12324169924).

15281970428 is a wasteful number, since it uses less digits than its factorization.

15281970428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123241732 (or 123241730 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 47.

The spelling of 15281970428 in words is "fifteen billion, two hundred eighty-one million, nine hundred seventy thousand, four hundred twenty-eight".