13439642522 has 8 divisors (see below), whose sum is σ = 20160182496. Its totient is φ = 6719581692.

The previous prime is 13439642501. The next prime is 13439642537. The reversal of 13439642522 is 22524693431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13439642522² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13439642522.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38678 + ... + 168449.

It is an arithmetic number, because the mean of its divisors is an integer number (2520022812).

Almost surely, 2^13439642522 is an apocalyptic number.

13439642522 is a deficient number, since it is larger than the sum of its proper divisors (6720539974).

13439642522 is a wasteful number, since it uses less digits than its factorization.

13439642522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239572.

The product of its digits is 311040, while the sum is 41.

The spelling of 13439642522 in words is "thirteen billion, four hundred thirty-nine million, six hundred forty-two thousand, five hundred twenty-two".