13402253433 has 32 divisors (see below), whose sum is σ = 19828613376. Its totient is φ = 8008951808.

The previous prime is 13402253353. The next prime is 13402253461. The reversal of 13402253433 is 33435220431.

It is not a de Polignac number, because 13402253433 - 2¹⁴ = 13402237049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13402253433.

It is not an unprimeable number, because it can be changed into a prime (13402253483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 248791 + ... + 297827.

It is an arithmetic number, because the mean of its divisors is an integer number (619644168).

Almost surely, 2^13402253433 is an apocalyptic number.

It is an amenable number.

13402253433 is a deficient number, since it is larger than the sum of its proper divisors (6426359943).

13402253433 is a wasteful number, since it uses less digits than its factorization.

13402253433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49313.

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 13402253433 its reverse (33435220431), we get a palindrome (46837473864).

The spelling of 13402253433 in words is "thirteen billion, four hundred two million, two hundred fifty-three thousand, four hundred thirty-three".