445693464686 has 4 divisors (see below), whose sum is σ = 668540197032. Its totient is φ = 222846732342.

The previous prime is 445693464683. The next prime is 445693464757. The reversal of 445693464686 is 686464396544.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×445693464686³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445693464683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111423366170 + ... + 111423366173.

It is an arithmetic number, because the mean of its divisors is an integer number (167135049258).

Almost surely, 2^445693464686 is an apocalyptic number.

445693464686 is a deficient number, since it is larger than the sum of its proper divisors (222846732346).

445693464686 is a wasteful number, since it uses less digits than its factorization.

445693464686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222846732345.

The product of its digits is 358318080, while the sum is 65.

The spelling of 445693464686 in words is "four hundred forty-five billion, six hundred ninety-three million, four hundred sixty-four thousand, six hundred eighty-six".