15305642970 has 16 divisors (see below), whose sum is σ = 36733543200. Its totient is φ = 4081504784.

The previous prime is 15305642959. The next prime is 15305642981. The reversal of 15305642970 is 7924650351.

It is an interprime number because it is at equal distance from previous prime (15305642959) and next prime (15305642981).

It is a super-2 number, since 2×15305642970² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255094020 + ... + 255094079.

It is an arithmetic number, because the mean of its divisors is an integer number (2295846450).

Almost surely, 2^15305642970 is an apocalyptic number.

15305642970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15305642970 is an abundant number, since it is smaller than the sum of its proper divisors (21427900230).

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

15305642970 is a wasteful number, since it uses less digits than its factorization.

15305642970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510188109.

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 15305642970 in words is "fifteen billion, three hundred five million, six hundred forty-two thousand, nine hundred seventy".