4646631625 has 16 divisors (see below), whose sum is σ = 5823921168. Its totient is φ = 3701328000.

The previous prime is 4646631617. The next prime is 4646631631. The reversal of 4646631625 is 5261366464.

It can be written as a sum of positive squares in 8 ways, for example, as 2638157769 + 2008473856 = 51363^2 + 44816^2 .

It is not a de Polignac number, because 4646631625 - 2³ = 4646631617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50646 + ... + 108895.

It is an arithmetic number, because the mean of its divisors is an integer number (363995073).

Almost surely, 2^4646631625 is an apocalyptic number.

It is an amenable number.

4646631625 is a deficient number, since it is larger than the sum of its proper divisors (1177289543).

4646631625 is a wasteful number, since it uses less digits than its factorization.

4646631625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159789 (or 159779 counting only the distinct ones).

The product of its digits is 622080, while the sum is 43.

The square root of 4646631625 is about 68166.2058867882. The cubic root of 4646631625 is about 1668.7044136481.

The spelling of 4646631625 in words is "four billion, six hundred forty-six million, six hundred thirty-one thousand, six hundred twenty-five".