13972929237 has 6 divisors (see below), whose sum is σ = 20183120022. Its totient is φ = 9315286152.

The previous prime is 13972929211. The next prime is 13972929239. The reversal of 13972929237 is 73292927931.

It can be written as a sum of positive squares in only one way, i.e., 13313928996 + 659000241 = 115386^2 + 25671^2 .

It is not a de Polignac number, because 13972929237 - 2¹⁴ = 13972912853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13972929239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 776273838 + ... + 776273855.

It is an arithmetic number, because the mean of its divisors is an integer number (3363853337).

Almost surely, 2^13972929237 is an apocalyptic number.

It is an amenable number.

13972929237 is a deficient number, since it is larger than the sum of its proper divisors (6210190785).

13972929237 is a wasteful number, since it uses less digits than its factorization.

13972929237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552547699 (or 1552547696 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 54.

The spelling of 13972929237 in words is "thirteen billion, nine hundred seventy-two million, nine hundred twenty-nine thousand, two hundred thirty-seven".