810100368945 has 24 divisors (see below), whose sum is σ = 1604770255296. Its totient is φ = 370331597088.

The previous prime is 810100368941. The next prime is 810100368983. The reversal of 810100368945 is 549863001018.

It is not a de Polignac number, because 810100368945 - 2² = 810100368941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 810100368945.

It is not an unprimeable number, because it can be changed into a prime (810100368941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1285873287 + ... + 1285873916.

It is an arithmetic number, because the mean of its divisors is an integer number (66865427304).

Almost surely, 2^810100368945 is an apocalyptic number.

It is an amenable number.

810100368945 is a deficient number, since it is larger than the sum of its proper divisors (794669886351).

810100368945 is a wasteful number, since it uses less digits than its factorization.

810100368945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571747221 (or 2571747218 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 810100368945 in words is "eight hundred ten billion, one hundred million, three hundred sixty-eight thousand, nine hundred forty-five".