625706106703 has 4 divisors (see below), whose sum is σ = 625746813120. Its totient is φ = 625665400288.

The previous prime is 625706106541. The next prime is 625706106733. The reversal of 625706106703 is 307601607526.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-625706106703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 625706106703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625706106733) 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, 20330143 + ... + 20360896.

It is an arithmetic number, because the mean of its divisors is an integer number (156436703280).

Almost surely, 2^625706106703 is an apocalyptic number.

625706106703 is a deficient number, since it is larger than the sum of its proper divisors (40706417).

625706106703 is a wasteful number, since it uses less digits than its factorization.

625706106703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40706416.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 625706106703 in words is "six hundred twenty-five billion, seven hundred six million, one hundred six thousand, seven hundred three".