7556625013 has 12 divisors (see below), whose sum is σ = 8793201900. Its totient is φ = 6475012992.

The previous prime is 7556624993. The next prime is 7556625023. The reversal of 7556625013 is 3105266557.

It can be written as a sum of positive squares in 2 ways, for example, as 7187139729 + 369485284 = 84777^2 + 19222^2 .

It is not a de Polignac number, because 7556625013 - 2⁵ = 7556624981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7556625023) 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 11 ways as a sum of consecutive naturals, for example, 139063 + ... + 185611.

It is an arithmetic number, because the mean of its divisors is an integer number (732766825).

Almost surely, 2^7556625013 is an apocalyptic number.

It is an amenable number.

7556625013 is a deficient number, since it is larger than the sum of its proper divisors (1236576887).

7556625013 is a wasteful number, since it uses less digits than its factorization.

7556625013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49876 (or 49869 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 7556625013 is about 86928.8502914884. The cubic root of 7556625013 is about 1962.3476842745.

The spelling of 7556625013 in words is "seven billion, five hundred fifty-six million, six hundred twenty-five thousand, thirteen".