446428864433 has 2 divisors, whose sum is σ = 446428864434. Its totient is φ = 446428864432.

The previous prime is 446428864373. The next prime is 446428864451. The reversal of 446428864433 is 334468824644.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242529655729 + 203899208704 = 492473^2 + 451552^2 .

It is a cyclic number.

It is not a de Polignac number, because 446428864433 - 2²² = 446424670129 is a prime.

It is a super-2 number, since 2×446428864433² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (446428864933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223214432216 + 223214432217.

It is an arithmetic number, because the mean of its divisors is an integer number (223214432217).

Almost surely, 2^446428864433 is an apocalyptic number.

It is an amenable number.

446428864433 is a deficient number, since it is larger than the sum of its proper divisors (1).

446428864433 is an equidigital number, since it uses as much as digits as its factorization.

446428864433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42467328, while the sum is 56.

The spelling of 446428864433 in words is "four hundred forty-six billion, four hundred twenty-eight million, eight hundred sixty-four thousand, four hundred thirty-three".