15213690970 has 16 divisors (see below), whose sum is σ = 27833573448. Its totient is φ = 5985714240.

The previous prime is 15213690959. The next prime is 15213690977. The reversal of 15213690970 is 7909631251.

It can be written as a sum of positive squares in 4 ways, for example, as 13149896929 + 2063794041 = 114673^2 + 45429^2 .

It is not an unprimeable number, because it can be changed into a prime (15213690977) 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, 12469629 + ... + 12470848.

Almost surely, 2^15213690970 is an apocalyptic number.

15213690970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15213690970 is a deficient number, since it is larger than the sum of its proper divisors (12619882478).

15213690970 is a wasteful number, since it uses less digits than its factorization.

15213690970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24940545.

The product of its (nonzero) digits is 102060, while the sum is 43.

The spelling of 15213690970 in words is "fifteen billion, two hundred thirteen million, six hundred ninety thousand, nine hundred seventy".