815964601350 has 24 divisors (see below), whose sum is σ = 2023592211720. Its totient is φ = 217590560320.

The previous prime is 815964601259. The next prime is 815964601351. The reversal of 815964601350 is 53106469518.

It is a self number, because there is not a number n which added to its sum of digits gives 815964601350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (815964601351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2719881855 + ... + 2719882154.

It is an arithmetic number, because the mean of its divisors is an integer number (84316342155).

Almost surely, 2^815964601350 is an apocalyptic number.

815964601350 is an abundant number, since it is smaller than the sum of its proper divisors (1207627610370).

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

815964601350 is a wasteful number, since it uses less digits than its factorization.

815964601350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5439764024 (or 5439764019 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 815964601350 in words is "eight hundred fifteen billion, nine hundred sixty-four million, six hundred one thousand, three hundred fifty".