7381952688637 has 16 divisors (see below), whose sum is σ = 7522750343680. Its totient is φ = 7242497753472.

The previous prime is 7381952688613. The next prime is 7381952688689. The reversal of 7381952688637 is 7368862591837.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7381952688637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7381952688637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7381952686637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139828348 + ... + 139881130.

It is an arithmetic number, because the mean of its divisors is an integer number (470171896480).

Almost surely, 2^{7381952688637} is an apocalyptic number.

It is an amenable number.

7381952688637 is a deficient number, since it is larger than the sum of its proper divisors (140797655043).

7381952688637 is a wasteful number, since it uses less digits than its factorization.

7381952688637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65452.

The product of its digits is 731566080, while the sum is 73.

The spelling of 7381952688637 in words is "seven trillion, three hundred eighty-one billion, nine hundred fifty-two million, six hundred eighty-eight thousand, six hundred thirty-seven".