6387245290 has 36 divisors (see below), whose sum is σ = 11646807426. Its totient is φ = 2522043216.

The previous prime is 6387245269. The next prime is 6387245297. The reversal of 6387245290 is 925427836.

It can be written as a sum of positive squares in only one way, i.e., 5748520761 + 638724529 = 75819^2 + 25273^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6387245290.

It is not an unprimeable number, because it can be changed into a prime (6387245297) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 32096611 + ... + 32096809.

Almost surely, 2^6387245290 is an apocalyptic number.

6387245290 is a deficient number, since it is larger than the sum of its proper divisors (5259562136).

6387245290 is an equidigital number, since it uses as much as digits as its factorization.

6387245290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 6387245290 is about 79920.2433054355. The cubic root of 6387245290 is about 1855.4013357046.

The spelling of 6387245290 in words is "six billion, three hundred eighty-seven million, two hundred forty-five thousand, two hundred ninety".