2318638376680 has 16 divisors (see below), whose sum is σ = 5216936347620. Its totient is φ = 927455350656.

The previous prime is 2318638376653. The next prime is 2318638376827. The reversal of 2318638376680 is 866738368132.

It can be written as a sum of positive squares in 2 ways, for example, as 2310029134884 + 8609241796 = 1519878^2 + 92786^2 .

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, 28982979669 + ... + 28982979748.

Almost surely, 2^{2318638376680} is an apocalyptic number.

2318638376680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2318638376680 is an abundant number, since it is smaller than the sum of its proper divisors (2898297970940).

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

2318638376680 is a wasteful number, since it uses less digits than its factorization.

2318638376680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57965959428 (or 57965959424 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 61.

The spelling of 2318638376680 in words is "two trillion, three hundred eighteen billion, six hundred thirty-eight million, three hundred seventy-six thousand, six hundred eighty".