457778097043219 has 2 divisors, whose sum is σ = 457778097043220. Its totient is φ = 457778097043218.

The previous prime is 457778097043171. The next prime is 457778097043259. The reversal of 457778097043219 is 912340790877754.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 457778097043219 - 2¹³ = 457778097035027 is a prime.

It is a super-2 number, since 2×457778097043219² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (457778097043259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228889048521609 + 228889048521610.

It is an arithmetic number, because the mean of its divisors is an integer number (228889048521610).

Almost surely, 2^{457778097043219} is an apocalyptic number.

457778097043219 is a deficient number, since it is larger than the sum of its proper divisors (1).

457778097043219 is an equidigital number, since it uses as much as digits as its factorization.

457778097043219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746807040, while the sum is 73.

The spelling of 457778097043219 in words is "four hundred fifty-seven trillion, seven hundred seventy-eight billion, ninety-seven million, forty-three thousand, two hundred nineteen".