2115593888690 has 8 divisors (see below), whose sum is σ = 3808068999660. Its totient is φ = 846237555472.

The previous prime is 2115593888657. The next prime is 2115593888699. The reversal of 2115593888690 is 968883955112.

It can be written as a sum of positive squares in 2 ways, for example, as 2114723815681 + 870073009 = 1454209^2 + 29497^2 .

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

It is a super-2 number, since 2×2115593888690² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2115593888699) 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, 105779694425 + ... + 105779694444.

Almost surely, 2^{2115593888690} is an apocalyptic number.

2115593888690 is a deficient number, since it is larger than the sum of its proper divisors (1692475110970).

2115593888690 is a wasteful number, since it uses less digits than its factorization.

2115593888690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211559388876.

The product of its (nonzero) digits is 37324800, while the sum is 65.

The spelling of 2115593888690 in words is "two trillion, one hundred fifteen billion, five hundred ninety-three million, eight hundred eighty-eight thousand, six hundred ninety".