445775733185857 has 4 divisors (see below), whose sum is σ = 445779133304256. Its totient is φ = 445772333067460.

The previous prime is 445775733185833. The next prime is 445775733185869. The reversal of 445775733185857 is 758581337577544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 445775733185857 - 2³¹ = 445773585702209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445775733185897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1699862533 + ... + 1700124754.

It is an arithmetic number, because the mean of its divisors is an integer number (111444783326064).

Almost surely, 2^{445775733185857} is an apocalyptic number.

It is an amenable number.

445775733185857 is a deficient number, since it is larger than the sum of its proper divisors (3400118399).

445775733185857 is a wasteful number, since it uses less digits than its factorization.

445775733185857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400118398.

The product of its digits is 13829760000, while the sum is 79.

The spelling of 445775733185857 in words is "four hundred forty-five trillion, seven hundred seventy-five billion, seven hundred thirty-three million, one hundred eighty-five thousand, eight hundred fifty-seven".