30625640507 has 16 divisors (see below), whose sum is σ = 38498187264. Its totient is φ = 23864128200.

The previous prime is 30625640503. The next prime is 30625640519. The reversal of 30625640507 is 70504652603.

It is not a de Polignac number, because 30625640507 - 2² = 30625640503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30625640503) 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, 1634219 + ... + 1652852.

It is an arithmetic number, because the mean of its divisors is an integer number (2406136704).

Almost surely, 2^30625640507 is an apocalyptic number.

30625640507 is a deficient number, since it is larger than the sum of its proper divisors (7872546757).

30625640507 is an equidigital number, since it uses as much as digits as its factorization.

30625640507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287111 (or 3287089 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 30625640507 in words is "thirty billion, six hundred twenty-five million, six hundred forty thousand, five hundred seven".