13949507392 has 14 divisors (see below), whose sum is σ = 27681053858. Its totient is φ = 6974753664.

The previous prime is 13949507371. The next prime is 13949507417. The reversal of 13949507392 is 29370594931.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13948554816 + 952576 = 118104^2 + 976^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108980463 + ... + 108980590.

Almost surely, 2^13949507392 is an apocalyptic number.

It is an amenable number.

13949507392 is a deficient number, since it is larger than the sum of its proper divisors (13731546466).

13949507392 is an equidigital number, since it uses as much as digits as its factorization.

13949507392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217961065 (or 217961055 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 52.

The spelling of 13949507392 in words is "thirteen billion, nine hundred forty-nine million, five hundred seven thousand, three hundred ninety-two".