63980925037 has 4 divisors (see below), whose sum is σ = 63981436156. Its totient is φ = 63980413920.

The previous prime is 63980925031. The next prime is 63980925089. The reversal of 63980925037 is 73052908936.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 22337992681 + 41642932356 = 149459^2 + 204066^2 .

It is a cyclic number.

It is not a de Polignac number, because 63980925037 - 2¹⁹ = 63980400749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63980925031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73087 + ... + 365107.

It is an arithmetic number, because the mean of its divisors is an integer number (15995359039).

Almost surely, 2^63980925037 is an apocalyptic number.

It is an amenable number.

63980925037 is a deficient number, since it is larger than the sum of its proper divisors (511119).

63980925037 is a wasteful number, since it uses less digits than its factorization.

63980925037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511118.

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 63980925037 in words is "sixty-three billion, nine hundred eighty million, nine hundred twenty-five thousand, thirty-seven".