1005717391913 has 8 divisors (see below), whose sum is σ = 1096129429248. Its totient is φ = 917169520464.

The previous prime is 1005717391897. The next prime is 1005717391937. The reversal of 1005717391913 is 3191937175001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1005717391913 - 2⁴ = 1005717391897 is a prime.

It is a super-2 number, since 2×1005717391913² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005717391513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466040345 + ... + 466042502.

It is an arithmetic number, because the mean of its divisors is an integer number (137016178656).

Almost surely, 2^{1005717391913} is an apocalyptic number.

1005717391913 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1005717391913 is a deficient number, since it is larger than the sum of its proper divisors (90412037335).

1005717391913 is an equidigital number, since it uses as much as digits as its factorization.

1005717391913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932082943.

The product of its (nonzero) digits is 178605, while the sum is 47.

The spelling of 1005717391913 in words is "one trillion, five billion, seven hundred seventeen million, three hundred ninety-one thousand, nine hundred thirteen".