13938669725 has 12 divisors (see below), whose sum is σ = 17379447540. Its totient is φ = 11089324800.

The previous prime is 13938669671. The next prime is 13938669827. The reversal of 13938669725 is 52796683931.

It can be written as a sum of positive squares in 6 ways, for example, as 532040356 + 13406629369 = 23066^2 + 115787^2 .

It is not a de Polignac number, because 13938669725 - 2¹⁶ = 13938604189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1535660 + ... + 1544709.

It is an arithmetic number, because the mean of its divisors is an integer number (1448287295).

Almost surely, 2^13938669725 is an apocalyptic number.

It is an amenable number.

13938669725 is a deficient number, since it is larger than the sum of its proper divisors (3440777815).

13938669725 is a wasteful number, since it uses less digits than its factorization.

13938669725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080560 (or 3080555 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 59.

The spelling of 13938669725 in words is "thirteen billion, nine hundred thirty-eight million, six hundred sixty-nine thousand, seven hundred twenty-five".