13691100970 has 32 divisors (see below), whose sum is σ = 25603315920. Its totient is φ = 5264878080.

The previous prime is 13691100967. The next prime is 13691100991. The reversal of 13691100970 is 7900119631.

It can be written as a sum of positive squares in 8 ways, for example, as 8875712521 + 4815388449 = 94211^2 + 69393^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33741 + ... + 168880.

Almost surely, 2^13691100970 is an apocalyptic number.

13691100970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13691100970 is a deficient number, since it is larger than the sum of its proper divisors (11912214950).

13691100970 is a wasteful number, since it uses less digits than its factorization.

13691100970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202890.

The product of its (nonzero) digits is 10206, while the sum is 37.

The spelling of 13691100970 in words is "thirteen billion, six hundred ninety-one million, one hundred thousand, nine hundred seventy".