625634452742 has 8 divisors (see below), whose sum is σ = 1010640269856. Its totient is φ = 288754362792.

The previous prime is 625634452733. The next prime is 625634452759. The reversal of 625634452742 is 247254436526.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12031431758 + ... + 12031431809.

It is an arithmetic number, because the mean of its divisors is an integer number (126330033732).

Almost surely, 2^625634452742 is an apocalyptic number.

625634452742 is a deficient number, since it is larger than the sum of its proper divisors (385005817114).

625634452742 is a wasteful number, since it uses less digits than its factorization.

625634452742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24062863582.

The product of its digits is 9676800, while the sum is 50.

The spelling of 625634452742 in words is "six hundred twenty-five billion, six hundred thirty-four million, four hundred fifty-two thousand, seven hundred forty-two".