445765685217 has 8 divisors (see below), whose sum is σ = 594811096320. Its totient is φ = 296948698800.

The previous prime is 445765685213. The next prime is 445765685219. The reversal of 445765685217 is 712586567544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 445765685217 - 2² = 445765685213 is a prime.

It is a super-2 number, since 2×445765685217² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445765685213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57101617 + ... + 57109422.

It is an arithmetic number, because the mean of its divisors is an integer number (74351387040).

Almost surely, 2^445765685217 is an apocalyptic number.

It is an amenable number.

445765685217 is a deficient number, since it is larger than the sum of its proper divisors (149045411103).

445765685217 is a wasteful number, since it uses less digits than its factorization.

445765685217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114212343.

The product of its digits is 56448000, while the sum is 60.

The spelling of 445765685217 in words is "four hundred forty-five billion, seven hundred sixty-five million, six hundred eighty-five thousand, two hundred seventeen".