13974017393 has 16 divisors (see below), whose sum is σ = 16316135424. Its totient is φ = 11718546000.

The previous prime is 13974017389. The next prime is 13974017479. The reversal of 13974017393 is 39371047931.

It is not a de Polignac number, because 13974017393 - 2² = 13974017389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13974017303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1134518 + ... + 1146768.

It is an arithmetic number, because the mean of its divisors is an integer number (1019758464).

Almost surely, 2^13974017393 is an apocalyptic number.

It is an amenable number.

13974017393 is a deficient number, since it is larger than the sum of its proper divisors (2342118031).

13974017393 is a wasteful number, since it uses less digits than its factorization.

13974017393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15772.

The product of its (nonzero) digits is 428652, while the sum is 47.

The spelling of 13974017393 in words is "thirteen billion, nine hundred seventy-four million, seventeen thousand, three hundred ninety-three".