1313908907799 has 4 divisors (see below), whose sum is σ = 1751878543736. Its totient is φ = 875939271864.

The previous prime is 1313908907797. The next prime is 1313908907813. The reversal of 1313908907799 is 9977098093131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1313908907799 - 2¹ = 1313908907797 is a prime.

It is a super-2 number, since 2×1313908907799² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313908907797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218984817964 + ... + 218984817969.

It is an arithmetic number, because the mean of its divisors is an integer number (437969635934).

Almost surely, 2^{1313908907799} is an apocalyptic number.

1313908907799 is a deficient number, since it is larger than the sum of its proper divisors (437969635937).

1313908907799 is an equidigital number, since it uses as much as digits as its factorization.

1313908907799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437969635936.

The product of its (nonzero) digits is 23147208, while the sum is 66.

The spelling of 1313908907799 in words is "one trillion, three hundred thirteen billion, nine hundred eight million, nine hundred seven thousand, seven hundred ninety-nine".