1379347956965 has 32 divisors (see below), whose sum is σ = 1823959071360. Its totient is φ = 993017952000.

The previous prime is 1379347956947. The next prime is 1379347956991. The reversal of 1379347956965 is 5696597439731.

It is not a de Polignac number, because 1379347956965 - 2⁶ = 1379347956901 is a prime.

It is a super-2 number, since 2×1379347956965² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1379347956892 and 1379347956901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28845446 + ... + 28893224.

It is an arithmetic number, because the mean of its divisors is an integer number (56998720980).

Almost surely, 2^{1379347956965} is an apocalyptic number.

It is an amenable number.

1379347956965 is a deficient number, since it is larger than the sum of its proper divisors (444611114395).

1379347956965 is a wasteful number, since it uses less digits than its factorization.

1379347956965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53093.

The product of its digits is 1157360400, while the sum is 74.

The spelling of 1379347956965 in words is "one trillion, three hundred seventy-nine billion, three hundred forty-seven million, nine hundred fifty-six thousand, nine hundred sixty-five".