6342615820 has 12 divisors (see below), whose sum is σ = 13319493264. Its totient is φ = 2537046320.

The previous prime is 6342615767. The next prime is 6342615859. The reversal of 6342615820 is 285162436.

It is a super-2 number, since 2×6342615820² = 80457550880228544800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6342615820.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158565376 + ... + 158565415.

It is an arithmetic number, because the mean of its divisors is an integer number (1109957772).

Almost surely, 2^6342615820 is an apocalyptic number.

It is an amenable number.

6342615820 is an abundant number, since it is smaller than the sum of its proper divisors (6976877444).

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

6342615820 is a wasteful number, since it uses less digits than its factorization.

6342615820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317130800 (or 317130798 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 6342615820 is about 79640.5413090594. The cubic root of 6342615820 is about 1851.0698287426.

The spelling of 6342615820 in words is "six billion, three hundred forty-two million, six hundred fifteen thousand, eight hundred twenty".