6356649804 has 48 divisors (see below), whose sum is σ = 15641673600. Its totient is φ = 2003654016.

The previous prime is 6356649797. The next prime is 6356649821. The reversal of 6356649804 is 4089466536.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99232 + ... + 150200.

It is an arithmetic number, because the mean of its divisors is an integer number (325868200).

Almost surely, 2^6356649804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6356649804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7820836800).

6356649804 is an abundant number, since it is smaller than the sum of its proper divisors (9285023796).

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

6356649804 is a wasteful number, since it uses less digits than its factorization.

6356649804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51542 (or 51540 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 51.

The square root of 6356649804 is about 79728.6009158570. The cubic root of 6356649804 is about 1852.4340791104.

The spelling of 6356649804 in words is "six billion, three hundred fifty-six million, six hundred forty-nine thousand, eight hundred four".