4633625421 has 6 divisors (see below), whose sum is σ = 6693014510. Its totient is φ = 3089083608.

The previous prime is 4633625419. The next prime is 4633625441. The reversal of 4633625421 is 1245263364.

4633625421 is a `hidden beast` number, since 4 + 6 + 3 + 3 + 625 + 4 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3870208521 + 763416900 = 62211^2 + 27630^2 .

It is not a de Polignac number, because 4633625421 - 2¹ = 4633625419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4633625441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 257423626 + ... + 257423643.

Almost surely, 2^4633625421 is an apocalyptic number.

It is an amenable number.

4633625421 is a deficient number, since it is larger than the sum of its proper divisors (2059389089).

4633625421 is a wasteful number, since it uses less digits than its factorization.

4633625421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514847275 (or 514847272 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 4633625421 is about 68070.7383609139. The cubic root of 4633625421 is about 1667.1460237480.

Adding to 4633625421 its reverse (1245263364), we get a palindrome (5878888785).

The spelling of 4633625421 in words is "four billion, six hundred thirty-three million, six hundred twenty-five thousand, four hundred twenty-one".