456394408219 has 2 divisors, whose sum is σ = 456394408220. Its totient is φ = 456394408218.

The previous prime is 456394408201. The next prime is 456394408229. The reversal of 456394408219 is 912804493654.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 456394408219 - 2¹³ = 456394400027 is a prime.

It is a super-2 number, since 2×456394408219² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 456394408219.

It is not a weakly prime, because it can be changed into another prime (456394408229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228197204109 + 228197204110.

It is an arithmetic number, because the mean of its divisors is an integer number (228197204110).

Almost surely, 2^456394408219 is an apocalyptic number.

456394408219 is a deficient number, since it is larger than the sum of its proper divisors (1).

456394408219 is an equidigital number, since it uses as much as digits as its factorization.

456394408219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 456394408219 in words is "four hundred fifty-six billion, three hundred ninety-four million, four hundred eight thousand, two hundred nineteen".