6625037500065 has 48 divisors (see below), whose sum is σ = 11495726882640. Its totient is φ = 3529561651200.

The previous prime is 6625037500013. The next prime is 6625037500117. The reversal of 6625037500065 is 5600057305266.

6625037500065 is a `hidden beast` number, since 6 + 6 + 2 + 50 + 37 + 500 + 0 + 65 = 666.

It is an interprime number because it is at equal distance from previous prime (6625037500013) and next prime (6625037500117).

It can be written as a sum of positive squares in 8 ways, for example, as 1613385176481 + 5011652323584 = 1270191^2 + 2238672^2 .

It is not a de Polignac number, because 6625037500065 - 2⁷ = 6625037499937 is a prime.

It is a super-2 number, since 2×6625037500065² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 215020381 + ... + 215051189.

It is an arithmetic number, because the mean of its divisors is an integer number (239494310055).

Almost surely, 2^{6625037500065} is an apocalyptic number.

It is an amenable number.

6625037500065 is a deficient number, since it is larger than the sum of its proper divisors (4870689382575).

6625037500065 is a wasteful number, since it uses less digits than its factorization.

6625037500065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35794 (or 35791 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 45.

The spelling of 6625037500065 in words is "six trillion, six hundred twenty-five billion, thirty-seven million, five hundred thousand, sixty-five".