13442400633 has 24 divisors (see below), whose sum is σ = 19050602560. Its totient is φ = 8429541120.

The previous prime is 13442400617. The next prime is 13442400689. The reversal of 13442400633 is 33600424431.

It is not a de Polignac number, because 13442400633 - 2⁴ = 13442400617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13442400633.

It is not an unprimeable number, because it can be changed into a prime (13442400613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2000283 + ... + 2006991.

Almost surely, 2^13442400633 is an apocalyptic number.

It is an amenable number.

13442400633 is a deficient number, since it is larger than the sum of its proper divisors (5608201927).

13442400633 is a wasteful number, since it uses less digits than its factorization.

13442400633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9057 (or 9040 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

The spelling of 13442400633 in words is "thirteen billion, four hundred forty-two million, four hundred thousand, six hundred thirty-three".