57444049163 has 2 divisors, whose sum is σ = 57444049164. Its totient is φ = 57444049162.

The previous prime is 57444049139. The next prime is 57444049183. The reversal of 57444049163 is 36194044475.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57444049163 - 2¹⁸ = 57443787019 is a prime.

It is a super-2 number, since 2×57444049163² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57444049123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28722024581 + 28722024582.

It is an arithmetic number, because the mean of its divisors is an integer number (28722024582).

Almost surely, 2^57444049163 is an apocalyptic number.

57444049163 is a deficient number, since it is larger than the sum of its proper divisors (1).

57444049163 is an equidigital number, since it uses as much as digits as its factorization.

57444049163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 57444049163 in words is "fifty-seven billion, four hundred forty-four million, forty-nine thousand, one hundred sixty-three".