57348421631 has 4 divisors (see below), whose sum is σ = 58747163664. Its totient is φ = 55949679600.

The previous prime is 57348421609. The next prime is 57348421661. The reversal of 57348421631 is 13612484375.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 57348421631 - 2⁶ = 57348421567 is a prime.

It is a super-2 number, since 2×57348421631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57348421661) 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, 699370955 + ... + 699371036.

It is an arithmetic number, because the mean of its divisors is an integer number (14686790916).

Almost surely, 2^57348421631 is an apocalyptic number.

57348421631 is a deficient number, since it is larger than the sum of its proper divisors (1398742033).

57348421631 is a wasteful number, since it uses less digits than its factorization.

57348421631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398742032.

The product of its digits is 483840, while the sum is 44.

The spelling of 57348421631 in words is "fifty-seven billion, three hundred forty-eight million, four hundred twenty-one thousand, six hundred thirty-one".