1795097987964 has 144 divisors (see below), whose sum is σ = 4917962649600. Its totient is φ = 549926281728.

The previous prime is 1795097987959. The next prime is 1795097987983. The reversal of 1795097987964 is 4697897905971.

1795097987964 is a `hidden beast` number, since 17 + 9 + 509 + 7 + 9 + 8 + 7 + 96 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12556317 + ... + 12698475.

It is an arithmetic number, because the mean of its divisors is an integer number (34152518400).

Almost surely, 2^{1795097987964} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1795097987964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2458981324800).

1795097987964 is an abundant number, since it is smaller than the sum of its proper divisors (3122864661636).

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

1795097987964 is a wasteful number, since it uses less digits than its factorization.

1795097987964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142672 (or 142667 counting only the distinct ones).

The product of its (nonzero) digits is 2160406080, while the sum is 81.

The spelling of 1795097987964 in words is "one trillion, seven hundred ninety-five billion, ninety-seven million, nine hundred eighty-seven thousand, nine hundred sixty-four".