13070528491 has 8 divisors (see below), whose sum is σ = 13537339200. Its totient is φ = 12619797064.

The previous prime is 13070528483. The next prime is 13070528509. The reversal of 13070528491 is 19482507031.

It is not a de Polignac number, because 13070528491 - 2³ = 13070528483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13070568491) 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, 243571 + ... + 292348.

It is an arithmetic number, because the mean of its divisors is an integer number (1692167400).

Almost surely, 2^13070528491 is an apocalyptic number.

13070528491 is a deficient number, since it is larger than the sum of its proper divisors (466810709).

13070528491 is an frugal number, since it uses more digits than its factorization.

13070528491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536006 (or 535948 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 13070528491 in words is "thirteen billion, seventy million, five hundred twenty-eight thousand, four hundred ninety-one".