7459312813 has 16 divisors (see below), whose sum is σ = 7882690816. Its totient is φ = 7049488320.

The previous prime is 7459312769. The next prime is 7459312831. The reversal of 7459312813 is 3182139547.

It is a cyclic number.

It is not a de Polignac number, because 7459312813 - 2¹³ = 7459304621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7459312813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7499312813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275020 + ... + 300922.

It is an arithmetic number, because the mean of its divisors is an integer number (492668176).

Almost surely, 2^7459312813 is an apocalyptic number.

It is an amenable number.

7459312813 is a deficient number, since it is larger than the sum of its proper divisors (423378003).

7459312813 is a wasteful number, since it uses less digits than its factorization.

7459312813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26164.

The product of its digits is 181440, while the sum is 43.

The square root of 7459312813 is about 86367.3133367016. The cubic root of 7459312813 is about 1953.8877347816.

The spelling of 7459312813 in words is "seven billion, four hundred fifty-nine million, three hundred twelve thousand, eight hundred thirteen".