2153193795380 has 24 divisors (see below), whose sum is σ = 4522890513960. Its totient is φ = 861052081280.

The previous prime is 2153193795301. The next prime is 2153193795383. The reversal of 2153193795380 is 835973913512.

It can be written as a sum of positive squares in 4 ways, for example, as 1079392167844 + 1073801627536 = 1038938^2 + 1036244^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153193795383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14011475 + ... + 14164314.

It is an arithmetic number, because the mean of its divisors is an integer number (188453771415).

Almost surely, 2^{2153193795380} is an apocalyptic number.

2153193795380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2153193795380 is an abundant number, since it is smaller than the sum of its proper divisors (2369696718580).

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

2153193795380 is a wasteful number, since it uses less digits than its factorization.

2153193795380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28179619 (or 28179617 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 56.

The spelling of 2153193795380 in words is "two trillion, one hundred fifty-three billion, one hundred ninety-three million, seven hundred ninety-five thousand, three hundred eighty".