944564465419 has 2 divisors, whose sum is σ = 944564465420. Its totient is φ = 944564465418.

The previous prime is 944564465407. The next prime is 944564465519. The reversal of 944564465419 is 914564465449.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 944564465419 - 2¹⁹ = 944563941131 is a prime.

It is a super-2 number, since 2×944564465419² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (944564465219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472282232709 + 472282232710.

It is an arithmetic number, because the mean of its divisors is an integer number (472282232710).

Almost surely, 2^944564465419 is an apocalyptic number.

944564465419 is a deficient number, since it is larger than the sum of its proper divisors (1).

944564465419 is an equidigital number, since it uses as much as digits as its factorization.

944564465419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74649600, while the sum is 61.

The spelling of 944564465419 in words is "nine hundred forty-four billion, five hundred sixty-four million, four hundred sixty-five thousand, four hundred nineteen".