2081634312492 has 108 divisors (see below), whose sum is σ = 6121371490416. Its totient is φ = 594716189760.

The previous prime is 2081634312487. The next prime is 2081634312497. The reversal of 2081634312492 is 2942134361802.

2081634312492 is a `hidden beast` number, since 2 + 0 + 8 + 1 + 634 + 3 + 1 + 2 + 4 + 9 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (2081634312487) and next prime (2081634312497).

It is not an unprimeable number, because it can be changed into a prime (2081634312497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 43760473 + ... + 43808015.

It is an arithmetic number, because the mean of its divisors is an integer number (56679365652).

Almost surely, 2^{2081634312492} is an apocalyptic number.

It is an amenable number.

2081634312492 is an abundant number, since it is smaller than the sum of its proper divisors (4039737177924).

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

2081634312492 is a wasteful number, since it uses less digits than its factorization.

2081634312492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72388 (or 72376 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 2081634312492 in words is "two trillion, eighty-one billion, six hundred thirty-four million, three hundred twelve thousand, four hundred ninety-two".