464136617021 has 16 divisors (see below), whose sum is σ = 586814035968. Its totient is φ = 356571020400.

The previous prime is 464136617011. The next prime is 464136617059. The reversal of 464136617021 is 120716631464.

It is not a de Polignac number, because 464136617021 - 2¹⁰ = 464136615997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 464136617021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464136617011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42443465 + ... + 42454398.

It is an arithmetic number, because the mean of its divisors is an integer number (36675877248).

Almost surely, 2^464136617021 is an apocalyptic number.

It is an amenable number.

464136617021 is a deficient number, since it is larger than the sum of its proper divisors (122677418947).

464136617021 is a wasteful number, since it uses less digits than its factorization.

464136617021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84897952.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 464136617021 in words is "four hundred sixty-four billion, one hundred thirty-six million, six hundred seventeen thousand, twenty-one".