57426580369 has 4 divisors (see below), whose sum is σ = 57427089700. Its totient is φ = 57426071040.

The previous prime is 57426580339. The next prime is 57426580373. The reversal of 57426580369 is 96308562475.

57426580369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 39416940369 + 18009640000 = 198537^2 + 134200^2 .

It is a cyclic number.

It is not a de Polignac number, because 57426580369 - 2⁹ = 57426579857 is a prime.

It is a super-2 number, since 2×57426580369² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57426580319) 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, 1944 + ... + 338905.

It is an arithmetic number, because the mean of its divisors is an integer number (14356772425).

Almost surely, 2^57426580369 is an apocalyptic number.

It is an amenable number.

57426580369 is a deficient number, since it is larger than the sum of its proper divisors (509331).

57426580369 is a wasteful number, since it uses less digits than its factorization.

57426580369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509330.

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 57426580369 in words is "fifty-seven billion, four hundred twenty-six million, five hundred eighty thousand, three hundred sixty-nine".