13506691290 has 16 divisors (see below), whose sum is σ = 32416059168. Its totient is φ = 3601784336.

The previous prime is 13506691207. The next prime is 13506691321. The reversal of 13506691290 is 9219660531.

It is a Curzon number.

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, 225111492 + ... + 225111551.

It is an arithmetic number, because the mean of its divisors is an integer number (2026003698).

Almost surely, 2^13506691290 is an apocalyptic number.

13506691290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13506691290 is an abundant number, since it is smaller than the sum of its proper divisors (18909367878).

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

13506691290 is a wasteful number, since it uses less digits than its factorization.

13506691290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450223053.

The product of its (nonzero) digits is 87480, while the sum is 42.

The spelling of 13506691290 in words is "thirteen billion, five hundred six million, six hundred ninety-one thousand, two hundred ninety".