6435250812 has 72 divisors (see below), whose sum is σ = 16491226752. Its totient is φ = 2115703200.

The previous prime is 6435250793. The next prime is 6435250837. The reversal of 6435250812 is 2180525346.

6435250812 is a `hidden beast` number, since 643 + 5 + 2 + 5 + 0 + 8 + 1 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 783487 + ... + 791657.

It is an arithmetic number, because the mean of its divisors is an integer number (229044816).

Almost surely, 2^6435250812 is an apocalyptic number.

It is an amenable number.

6435250812 is an abundant number, since it is smaller than the sum of its proper divisors (10055975940).

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

6435250812 is a wasteful number, since it uses less digits than its factorization.

6435250812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8479 (or 8474 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 6435250812 is about 80220.0150336560. The cubic root of 6435250812 is about 1860.0380394579.

The spelling of 6435250812 in words is "six billion, four hundred thirty-five million, two hundred fifty thousand, eight hundred twelve".