57612491219 has 2 divisors, whose sum is σ = 57612491220. Its totient is φ = 57612491218.

The previous prime is 57612491203. The next prime is 57612491231. The reversal of 57612491219 is 91219421675.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57612491219 - 2⁴ = 57612491203 is a prime.

It is a super-2 number, since 2×57612491219² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57612491719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28806245609 + 28806245610.

It is an arithmetic number, because the mean of its divisors is an integer number (28806245610).

Almost surely, 2^57612491219 is an apocalyptic number.

57612491219 is a deficient number, since it is larger than the sum of its proper divisors (1).

57612491219 is an equidigital number, since it uses as much as digits as its factorization.

57612491219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 47.

The spelling of 57612491219 in words is "fifty-seven billion, six hundred twelve million, four hundred ninety-one thousand, two hundred nineteen".