2568379437193 has 4 divisors (see below), whose sum is σ = 2616839426628. Its totient is φ = 2519919447760.

The previous prime is 2568379437121. The next prime is 2568379437199. The reversal of 2568379437193 is 3917349738652.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1610696033424 + 957683403769 = 1269132^2 + 978613^2 .

It is a cyclic number.

It is not a de Polignac number, because 2568379437193 - 2³³ = 2559789502601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2568379437199) 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, 24229994638 + ... + 24229994743.

It is an arithmetic number, because the mean of its divisors is an integer number (654209856657).

Almost surely, 2^{2568379437193} is an apocalyptic number.

It is an amenable number.

2568379437193 is a deficient number, since it is larger than the sum of its proper divisors (48459989435).

2568379437193 is an equidigital number, since it uses as much as digits as its factorization.

2568379437193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48459989434.

The product of its digits is 205752960, while the sum is 67.

The spelling of 2568379437193 in words is "two trillion, five hundred sixty-eight billion, three hundred seventy-nine million, four hundred thirty-seven thousand, one hundred ninety-three".