13570868690 has 8 divisors (see below), whose sum is σ = 24427563660. Its totient is φ = 5428347472.

The previous prime is 13570868659. The next prime is 13570868699. The reversal of 13570868690 is 9686807531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13569687121 + 1181569 = 116489^2 + 1087^2 .

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

It is a super-2 number, since 2×13570868690² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13570868699) 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, 678543425 + ... + 678543444.

Almost surely, 2^13570868690 is an apocalyptic number.

13570868690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13570868690 is a deficient number, since it is larger than the sum of its proper divisors (10856694970).

13570868690 is a wasteful number, since it uses less digits than its factorization.

13570868690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357086876.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 13570868690 in words is "thirteen billion, five hundred seventy million, eight hundred sixty-eight thousand, six hundred ninety".