6123643425 has 18 divisors (see below), whose sum is σ = 10968126182. Its totient is φ = 3265943040.

The previous prime is 6123643403. The next prime is 6123643483. The reversal of 6123643425 is 5243463216.

6123643425 is a `hidden beast` number, since 6 + 1 + 2 + 3 + 643 + 4 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 717864849 + 5405778576 = 26793^2 + 73524^2 .

It is not a de Polignac number, because 6123643425 - 2¹³ = 6123635233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6123643425.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13607872 + ... + 13608321.

Almost surely, 2^6123643425 is an apocalyptic number.

It is an amenable number.

6123643425 is a deficient number, since it is larger than the sum of its proper divisors (4844482757).

6123643425 is a wasteful number, since it uses less digits than its factorization.

6123643425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27216209 (or 27216201 counting only the distinct ones).

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

The square root of 6123643425 is about 78253.7118927914. The cubic root of 6123643425 is about 1829.5177668706.

The spelling of 6123643425 in words is "six billion, one hundred twenty-three million, six hundred forty-three thousand, four hundred twenty-five".