13752021613 has 8 divisors (see below), whose sum is σ = 15005549376. Its totient is φ = 12499051200.

The previous prime is 13752021587. The next prime is 13752021623. The reversal of 13752021613 is 31612025731.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13752021613 - 2²⁵ = 13718467181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13752021623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86881 + ... + 187222.

It is an arithmetic number, because the mean of its divisors is an integer number (1875693672).

Almost surely, 2^13752021613 is an apocalyptic number.

It is an amenable number.

13752021613 is a deficient number, since it is larger than the sum of its proper divisors (1253527763).

13752021613 is a wasteful number, since it uses less digits than its factorization.

13752021613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278675.

The product of its (nonzero) digits is 7560, while the sum is 31.

The spelling of 13752021613 in words is "thirteen billion, seven hundred fifty-two million, twenty-one thousand, six hundred thirteen".