625190242679 has 4 divisors (see below), whose sum is σ = 638492162784. Its totient is φ = 611888322576.

The previous prime is 625190242639. The next prime is 625190242717. The reversal of 625190242679 is 976242091526.

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

It is a cyclic number.

It is not a de Polignac number, because 625190242679 - 2¹² = 625190238583 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 625190242679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625190242639) 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, 6650959982 + ... + 6650960075.

It is an arithmetic number, because the mean of its divisors is an integer number (159623040696).

Almost surely, 2^625190242679 is an apocalyptic number.

625190242679 is a deficient number, since it is larger than the sum of its proper divisors (13301920105).

625190242679 is a wasteful number, since it uses less digits than its factorization.

625190242679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13301920104.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 625190242679 in words is "six hundred twenty-five billion, one hundred ninety million, two hundred forty-two thousand, six hundred seventy-nine".