1372157646731 has 2 divisors, whose sum is σ = 1372157646732. Its totient is φ = 1372157646730.

The previous prime is 1372157646689. The next prime is 1372157646749. The reversal of 1372157646731 is 1376467512731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1372157646731 - 2¹⁰ = 1372157645707 is a prime.

It is a super-2 number, since 2×1372157646731² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1372157646791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686078823365 + 686078823366.

It is an arithmetic number, because the mean of its divisors is an integer number (686078823366).

Almost surely, 2^{1372157646731} is an apocalyptic number.

1372157646731 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372157646731 is an equidigital number, since it uses as much as digits as its factorization.

1372157646731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4445280, while the sum is 53.

The spelling of 1372157646731 in words is "one trillion, three hundred seventy-two billion, one hundred fifty-seven million, six hundred forty-six thousand, seven hundred thirty-one".