13917249674 has 16 divisors (see below), whose sum is σ = 21735624456. Its totient is φ = 6677606400.

The previous prime is 13917249673. The next prime is 13917249721. The reversal of 13917249674 is 47694271931.

It can be written as a sum of positive squares in 4 ways, for example, as 4673773225 + 9243476449 = 68365^2 + 96143^2 .

It is not an unprimeable number, because it can be changed into a prime (13917249673) 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, 1386167 + ... + 1396170.

Almost surely, 2^13917249674 is an apocalyptic number.

13917249674 is a deficient number, since it is larger than the sum of its proper divisors (7818374782).

13917249674 is a wasteful number, since it uses less digits than its factorization.

13917249674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782441.

The product of its digits is 2286144, while the sum is 53.

The spelling of 13917249674 in words is "thirteen billion, nine hundred seventeen million, two hundred forty-nine thousand, six hundred seventy-four".