464257465021 has 4 divisors (see below), whose sum is σ = 530579960032. Its totient is φ = 397934970012.

The previous prime is 464257464953. The next prime is 464257465027. The reversal of 464257465021 is 120564752464.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 464257465021 - 2⁹ = 464257464509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464257465027) 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, 33161247495 + ... + 33161247508.

It is an arithmetic number, because the mean of its divisors is an integer number (132644990008).

Almost surely, 2^464257465021 is an apocalyptic number.

It is an amenable number.

464257465021 is a deficient number, since it is larger than the sum of its proper divisors (66322495011).

464257465021 is an equidigital number, since it uses as much as digits as its factorization.

464257465021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66322495010.

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 464257465021 in words is "four hundred sixty-four billion, two hundred fifty-seven million, four hundred sixty-five thousand, twenty-one".