82492963181 has 4 divisors (see below), whose sum is σ = 82671907164. Its totient is φ = 82314019200.

The previous prime is 82492963169. The next prime is 82492963183. The reversal of 82492963181 is 18136929428.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8557915081 + 73935048100 = 92509^2 + 271910^2 .

It is a cyclic number.

It is not a de Polignac number, because 82492963181 - 2¹⁸ = 82492701037 is a prime.

It is a super-2 number, since 2×82492963181² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82492963183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89471300 + ... + 89472221.

It is an arithmetic number, because the mean of its divisors is an integer number (20667976791).

Almost surely, 2^82492963181 is an apocalyptic number.

It is an amenable number.

82492963181 is a deficient number, since it is larger than the sum of its proper divisors (178943983).

82492963181 is a wasteful number, since it uses less digits than its factorization.

82492963181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178943982.

The product of its digits is 1492992, while the sum is 53.

The spelling of 82492963181 in words is "eighty-two billion, four hundred ninety-two million, nine hundred sixty-three thousand, one hundred eighty-one".