6245595990 has 32 divisors (see below), whose sum is σ = 16654923360. Its totient is φ = 1665492192.

The previous prime is 6245595971. The next prime is 6245595997. The reversal of 6245595990 is 995955426.

6245595990 is a `hidden beast` number, since 6 + 2 + 45 + 5 + 9 + 599 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6245595997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11565649 + ... + 11566188.

It is an arithmetic number, because the mean of its divisors is an integer number (520466355).

Almost surely, 2^6245595990 is an apocalyptic number.

6245595990 is an abundant number, since it is smaller than the sum of its proper divisors (10409327370).

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

6245595990 is a wasteful number, since it uses less digits than its factorization.

6245595990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23131853 (or 23131847 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 54.

The square root of 6245595990 is about 79029.0831909367. The cubic root of 6245595990 is about 1841.5829940169.

The spelling of 6245595990 in words is "six billion, two hundred forty-five million, five hundred ninety-five thousand, nine hundred ninety".