57491484397 has 4 divisors (see below), whose sum is σ = 57493947456. Its totient is φ = 57489021340.

The previous prime is 57491484389. The next prime is 57491484439. The reversal of 57491484397 is 79348419475.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57491484397 - 2³ = 57491484389 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 (57491482397) 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, 1196179 + ... + 1243312.

It is an arithmetic number, because the mean of its divisors is an integer number (14373486864).

Almost surely, 2^57491484397 is an apocalyptic number.

It is an amenable number.

57491484397 is a deficient number, since it is larger than the sum of its proper divisors (2463059).

57491484397 is a wasteful number, since it uses less digits than its factorization.

57491484397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463058.

The product of its digits is 30481920, while the sum is 61.

The spelling of 57491484397 in words is "fifty-seven billion, four hundred ninety-one million, four hundred eighty-four thousand, three hundred ninety-seven".