13526979346 has 4 divisors (see below), whose sum is σ = 20290469022. Its totient is φ = 6763489672.

The previous prime is 13526979341. The next prime is 13526979359. The reversal of 13526979346 is 64397962531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6887174121 + 6639805225 = 82989^2 + 81485^2 .

It is a super-2 number, since 2×13526979346² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13526979341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3381744835 + ... + 3381744838.

Almost surely, 2^13526979346 is an apocalyptic number.

13526979346 is a deficient number, since it is larger than the sum of its proper divisors (6763489676).

13526979346 is an equidigital number, since it uses as much as digits as its factorization.

13526979346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6763489675.

The product of its digits is 7348320, while the sum is 55.

The spelling of 13526979346 in words is "thirteen billion, five hundred twenty-six million, nine hundred seventy-nine thousand, three hundred forty-six".