445423133633 has 2 divisors, whose sum is σ = 445423133634. Its totient is φ = 445423133632.

The previous prime is 445423133609. The next prime is 445423133641. The reversal of 445423133633 is 336331324544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 374417938609 + 71005195024 = 611897^2 + 266468^2 .

It is a cyclic number.

It is not a de Polignac number, because 445423133633 - 2⁸ = 445423133377 is a prime.

It is not a weakly prime, because it can be changed into another prime (445423133933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222711566816 + 222711566817.

It is an arithmetic number, because the mean of its divisors is an integer number (222711566817).

Almost surely, 2^445423133633 is an apocalyptic number.

It is an amenable number.

445423133633 is a deficient number, since it is larger than the sum of its proper divisors (1).

445423133633 is an equidigital number, since it uses as much as digits as its factorization.

445423133633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 41.

The spelling of 445423133633 in words is "four hundred forty-five billion, four hundred twenty-three million, one hundred thirty-three thousand, six hundred thirty-three".