13526426426 has 4 divisors (see below), whose sum is σ = 20289639642. Its totient is φ = 6763213212.

The previous prime is 13526426383. The next prime is 13526426497. The reversal of 13526426426 is 62462462531.

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., 8363285401 + 5163141025 = 91451^2 + 71855^2 .

It is a super-2 number, since 2×13526426426² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3381606605 + ... + 3381606608.

Almost surely, 2^13526426426 is an apocalyptic number.

13526426426 is a deficient number, since it is larger than the sum of its proper divisors (6763213216).

13526426426 is an equidigital number, since it uses as much as digits as its factorization.

13526426426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6763213215.

The product of its digits is 414720, while the sum is 41.

Adding to 13526426426 its reverse (62462462531), we get a palindrome (75988888957).

The spelling of 13526426426 in words is "thirteen billion, five hundred twenty-six million, four hundred twenty-six thousand, four hundred twenty-six".