57221727419 has 2 divisors, whose sum is σ = 57221727420. Its totient is φ = 57221727418.

The previous prime is 57221727389. The next prime is 57221727427. The reversal of 57221727419 is 91472712275.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57221727419 - 2¹⁶ = 57221661883 is a prime.

It is a super-2 number, since 2×57221727419² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57221727019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28610863709 + 28610863710.

It is an arithmetic number, because the mean of its divisors is an integer number (28610863710).

Almost surely, 2^57221727419 is an apocalyptic number.

57221727419 is a deficient number, since it is larger than the sum of its proper divisors (1).

57221727419 is an equidigital number, since it uses as much as digits as its factorization.

57221727419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 493920, while the sum is 47.

The spelling of 57221727419 in words is "fifty-seven billion, two hundred twenty-one million, seven hundred twenty-seven thousand, four hundred nineteen".