1372157646669 has 12 divisors (see below), whose sum is σ = 1982092765536. Its totient is φ = 914731483272.

The previous prime is 1372157646659. The next prime is 1372157646689. The reversal of 1372157646669 is 9666467512731.

It is a happy number.

It is not a de Polignac number, because 1372157646669 - 2¹³ = 1372157638477 is a prime.

It is a super-2 number, since 2×1372157646669² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372157646659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3140289 + ... + 3550454.

It is an arithmetic number, because the mean of its divisors is an integer number (165174397128).

Almost surely, 2^{1372157646669} is an apocalyptic number.

It is an amenable number.

1372157646669 is a deficient number, since it is larger than the sum of its proper divisors (609935118867).

1372157646669 is a wasteful number, since it uses less digits than its factorization.

1372157646669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6713536 (or 6713533 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 63.

The spelling of 1372157646669 in words is "one trillion, three hundred seventy-two billion, one hundred fifty-seven million, six hundred forty-six thousand, six hundred sixty-nine".