13920257933 has 8 divisors (see below), whose sum is σ = 14091537600. Its totient is φ = 13749063328.

The previous prime is 13920257929. The next prime is 13920257959. The reversal of 13920257933 is 33975202931.

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 13920257933 - 2² = 13920257929 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 (13920257903) 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, 346928 + ... + 384966.

It is an arithmetic number, because the mean of its divisors is an integer number (1761442200).

Almost surely, 2^13920257933 is an apocalyptic number.

It is an amenable number.

13920257933 is a deficient number, since it is larger than the sum of its proper divisors (171279667).

13920257933 is an equidigital number, since it uses as much as digits as its factorization.

13920257933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42531.

The product of its (nonzero) digits is 306180, while the sum is 44.

The spelling of 13920257933 in words is "thirteen billion, nine hundred twenty million, two hundred fifty-seven thousand, nine hundred thirty-three".