1317276969537 has 16 divisors (see below), whose sum is σ = 1940541010560. Its totient is φ = 790590780672.

The previous prime is 1317276969521. The next prime is 1317276969553. The reversal of 1317276969537 is 7359696727131.

It is an interprime number because it is at equal distance from previous prime (1317276969521) and next prime (1317276969553).

It is not a de Polignac number, because 1317276969537 - 2⁴ = 1317276969521 is a prime.

It is a super-2 number, since 2×1317276969537² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1317276969587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561497962 + ... + 561500307.

It is an arithmetic number, because the mean of its divisors is an integer number (121283813160).

Almost surely, 2^{1317276969537} is an apocalyptic number.

1317276969537 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1317276969537 is a deficient number, since it is larger than the sum of its proper divisors (623264041023).

1317276969537 is a wasteful number, since it uses less digits than its factorization.

1317276969537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122998312.

The product of its digits is 90016920, while the sum is 66.

The spelling of 1317276969537 in words is "one trillion, three hundred seventeen billion, two hundred seventy-six million, nine hundred sixty-nine thousand, five hundred thirty-seven".