464644162154057 has 4 divisors (see below), whose sum is σ = 466673175962820. Its totient is φ = 462615148345296.

The previous prime is 464644162154033. The next prime is 464644162154087. The reversal of 464644162154057 is 750451261446464.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 313743673521721 + 150900488632336 = 17712811^2 + 12284156^2 .

It is not a de Polignac number, because 464644162154057 - 2¹⁸ = 464644161891913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 464644162153987 and 464644162154005.

It is not an unprimeable number, because it can be changed into a prime (464644162154087) 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, 1014506904038 + ... + 1014506904495.

It is an arithmetic number, because the mean of its divisors is an integer number (116668293990705).

Almost surely, 2^{464644162154057} is an apocalyptic number.

It is an amenable number.

464644162154057 is a deficient number, since it is larger than the sum of its proper divisors (2029013808763).

464644162154057 is a wasteful number, since it uses less digits than its factorization.

464644162154057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029013808762.

The product of its (nonzero) digits is 77414400, while the sum is 59.

The spelling of 464644162154057 in words is "four hundred sixty-four trillion, six hundred forty-four billion, one hundred sixty-two million, one hundred fifty-four thousand, fifty-seven".