6425404704 has 60 divisors (see below), whose sum is σ = 18896944374. Its totient is φ = 2141800704.

The previous prime is 6425404697. The next prime is 6425404753. The reversal of 6425404704 is 4074045246.

6425404704 is a `hidden beast` number, since 6 + 42 + 540 + 4 + 70 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6312620304 + 112784400 = 79452^2 + 10620^2 .

It is a super-2 number, since 2×6425404704² = 82571651220370655232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1236877 + ... + 1242060.

Almost surely, 2^6425404704 is an apocalyptic number.

It is an amenable number.

6425404704 is an abundant number, since it is smaller than the sum of its proper divisors (12471539670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6425404704 is a wasteful number, since it uses less digits than its factorization.

6425404704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478959 (or 2478942 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

The square root of 6425404704 is about 80158.6221438468. The cubic root of 6425404704 is about 1859.0889190440.

The spelling of 6425404704 in words is "six billion, four hundred twenty-five million, four hundred four thousand, seven hundred four".