6808137630 has 64 divisors (see below), whose sum is σ = 18696752640. Its totient is φ = 1554228864.

The previous prime is 6808137619. The next prime is 6808137647. The reversal of 6808137630 is 367318086.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154537 + ... + 193643.

It is an arithmetic number, because the mean of its divisors is an integer number (292136760).

Almost surely, 2^6808137630 is an apocalyptic number.

6808137630 is an abundant number, since it is smaller than the sum of its proper divisors (11888615010).

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

6808137630 is a wasteful number, since it uses less digits than its factorization.

6808137630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39953.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 6808137630 is about 82511.4393887296. The cubic root of 6808137630 is about 1895.2919102065.

The spelling of 6808137630 in words is "six billion, eight hundred eight million, one hundred thirty-seven thousand, six hundred thirty".