625694377461 has 8 divisors (see below), whose sum is σ = 840261035040. Its totient is φ = 414128652432.

The previous prime is 625694377457. The next prime is 625694377471. The reversal of 625694377461 is 164773496526.

625694377461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 625694377461 - 2² = 625694377457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 625694377395 and 625694377404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625694377471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750232650 + ... + 750233483.

It is an arithmetic number, because the mean of its divisors is an integer number (105032629380).

Almost surely, 2^625694377461 is an apocalyptic number.

It is an amenable number.

625694377461 is a deficient number, since it is larger than the sum of its proper divisors (214566657579).

625694377461 is a wasteful number, since it uses less digits than its factorization.

625694377461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500466275.

The product of its digits is 45722880, while the sum is 60.

The spelling of 625694377461 in words is "six hundred twenty-five billion, six hundred ninety-four million, three hundred seventy-seven thousand, four hundred sixty-one".