815451489310002 has 8 divisors (see below), whose sum is σ = 1630902978620016. Its totient is φ = 271817163103332.

The previous prime is 815451489310001. The next prime is 815451489310019. The reversal of 815451489310002 is 200013984154518.

It is a sphenic number, since it is the product of 3 distinct primes.

815451489310002 is an admirable number.

It is a super-2 number, since 2×815451489310002² (a number of 31 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (815451489310001) 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, 67954290775828 + ... + 67954290775839.

It is an arithmetic number, because the mean of its divisors is an integer number (203862872327502).

Almost surely, 2^{815451489310002} is an apocalyptic number.

815451489310002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

815451489310002 is a wasteful number, since it uses less digits than its factorization.

815451489310002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135908581551672.

The product of its (nonzero) digits is 1382400, while the sum is 51.

The spelling of 815451489310002 in words is "eight hundred fifteen trillion, four hundred fifty-one billion, four hundred eighty-nine million, three hundred ten thousand, two".