57381673243 has 2 divisors, whose sum is σ = 57381673244. Its totient is φ = 57381673242.

The previous prime is 57381673199. The next prime is 57381673277. The reversal of 57381673243 is 34237618375.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57381673243 is a prime.

It is not a weakly prime, because it can be changed into another prime (57381673043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28690836621 + 28690836622.

It is an arithmetic number, because the mean of its divisors is an integer number (28690836622).

Almost surely, 2^57381673243 is an apocalyptic number.

57381673243 is a deficient number, since it is larger than the sum of its proper divisors (1).

57381673243 is an equidigital number, since it uses as much as digits as its factorization.

57381673243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 49.

The spelling of 57381673243 in words is "fifty-seven billion, three hundred eighty-one million, six hundred seventy-three thousand, two hundred forty-three".