7566120313 has 4 divisors (see below), whose sum is σ = 7573459968. Its totient is φ = 7558780660.

The previous prime is 7566120281. The next prime is 7566120379. The reversal of 7566120313 is 3130216657.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7566120313 - 2⁵ = 7566120281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7566120413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3668281 + ... + 3670342.

It is an arithmetic number, because the mean of its divisors is an integer number (1893364992).

Almost surely, 2^7566120313 is an apocalyptic number.

It is an amenable number.

7566120313 is a deficient number, since it is larger than the sum of its proper divisors (7339655).

7566120313 is a wasteful number, since it uses less digits than its factorization.

7566120313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7339654.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 7566120313 is about 86983.4485002750. The cubic root of 7566120313 is about 1963.1692715525.

The spelling of 7566120313 in words is "seven billion, five hundred sixty-six million, one hundred twenty thousand, three hundred thirteen".