6625037500013 has 2 divisors, whose sum is σ = 6625037500014. Its totient is φ = 6625037500012.

The previous prime is 6625037499947. The next prime is 6625037500117. The reversal of 6625037500013 is 3100057305266.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4395576412969 + 2229461087044 = 2096563^2 + 1493138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6625037500013 is a prime.

It is a super-2 number, since 2×6625037500013² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6625037500013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6625037550013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3312518750006 + 3312518750007.

It is an arithmetic number, because the mean of its divisors is an integer number (3312518750007).

Almost surely, 2^{6625037500013} is an apocalyptic number.

It is an amenable number.

6625037500013 is a deficient number, since it is larger than the sum of its proper divisors (1).

6625037500013 is an equidigital number, since it uses as much as digits as its factorization.

6625037500013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 38.

The spelling of 6625037500013 in words is "six trillion, six hundred twenty-five billion, thirty-seven million, five hundred thousand, thirteen".