814682807081 has 128 divisors (see below), whose sum is σ = 1044567982080. Its totient is φ = 630086688000.

The previous prime is 814682806981. The next prime is 814682807083. The reversal of 814682807081 is 180708286418.

It is not a de Polignac number, because 814682807081 - 2²⁶ = 814615698217 is a prime.

It is a super-2 number, since 2×814682807081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (814682807083) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1291097636 + ... + 1291098266.

It is an arithmetic number, because the mean of its divisors is an integer number (8160687360).

Almost surely, 2^814682807081 is an apocalyptic number.

It is an amenable number.

814682807081 is a deficient number, since it is larger than the sum of its proper divisors (229885174999).

814682807081 is a wasteful number, since it uses less digits than its factorization.

814682807081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 798 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 53.

The spelling of 814682807081 in words is "eight hundred fourteen billion, six hundred eighty-two million, eight hundred seven thousand, eighty-one".