13958949904 has 15 divisors (see below), whose sum is σ = 27046381117. Its totient is φ = 6979238656.

The previous prime is 13958949899. The next prime is 13958949937. The reversal of 13958949904 is 40994985931.

The square root of 13958949904 is 118148.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 23619600 + 13935330304 = 4860^2 + 118048^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 457824 + ... + 487360.

Almost surely, 2^13958949904 is an apocalyptic number.

13958949904 is the 118148-th square number.

It is an amenable number.

13958949904 is a deficient number, since it is larger than the sum of its proper divisors (13087431213).

13958949904 is an frugal number, since it uses more digits than its factorization.

13958949904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59082 (or 29539 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 61.

The spelling of 13958949904 in words is "thirteen billion, nine hundred fifty-eight million, nine hundred forty-nine thousand, nine hundred four".