2381316809670 has 48 divisors (see below), whose sum is σ = 6335410313232. Its totient is φ = 620249958720.

The previous prime is 2381316809659. The next prime is 2381316809687. The reversal of 2381316809670 is 769086131832.

2381316809670 is a `hidden beast` number, since 2 + 381 + 31 + 6 + 80 + 96 + 70 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 307659801 + ... + 307667540.

It is an arithmetic number, because the mean of its divisors is an integer number (131987714859).

Almost surely, 2^{2381316809670} is an apocalyptic number.

2381316809670 is an abundant number, since it is smaller than the sum of its proper divisors (3954093503562).

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

2381316809670 is a wasteful number, since it uses less digits than its factorization.

2381316809670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615327397 (or 615327394 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 2381316809670 in words is "two trillion, three hundred eighty-one billion, three hundred sixteen million, eight hundred nine thousand, six hundred seventy".