2057613281893 has 8 divisors (see below), whose sum is σ = 2215907746136. Its totient is φ = 1899321177600.

The previous prime is 2057613281873. The next prime is 2057613281909. The reversal of 2057613281893 is 3981823167502.

It can be written as a sum of positive squares in 4 ways, for example, as 221824044324 + 1835789237569 = 470982^2 + 1354913^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2057613281893 - 2⁵ = 2057613281861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057613281813) 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, 1493353 + ... + 2518993.

It is an arithmetic number, because the mean of its divisors is an integer number (276988468267).

Almost surely, 2^{2057613281893} is an apocalyptic number.

It is an amenable number.

2057613281893 is a deficient number, since it is larger than the sum of its proper divisors (158294464243).

2057613281893 is a wasteful number, since it uses less digits than its factorization.

2057613281893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179975.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 2057613281893 in words is "two trillion, fifty-seven billion, six hundred thirteen million, two hundred eighty-one thousand, eight hundred ninety-three".