445746434146651 has 4 divisors (see below), whose sum is σ = 486268837250904. Its totient is φ = 405224031042400.

The previous prime is 445746434146603. The next prime is 445746434146747. The reversal of 445746434146651 is 156641434647544.

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

It is a cyclic number.

It is not a de Polignac number, because 445746434146651 - 2³⁵ = 445712074408283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445746434146751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20261201552110 + ... + 20261201552131.

It is an arithmetic number, because the mean of its divisors is an integer number (121567209312726).

Almost surely, 2^{445746434146651} is an apocalyptic number.

445746434146651 is a deficient number, since it is larger than the sum of its proper divisors (40522403104253).

445746434146651 is a wasteful number, since it uses less digits than its factorization.

445746434146651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40522403104252.

The product of its digits is 464486400, while the sum is 64.

The spelling of 445746434146651 in words is "four hundred forty-five trillion, seven hundred forty-six billion, four hundred thirty-four million, one hundred forty-six thousand, six hundred fifty-one".