464679421 has 2 divisors, whose sum is σ = 464679422. Its totient is φ = 464679420.

The previous prime is 464679407. The next prime is 464679433. The reversal of 464679421 is 124976464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 423783396 + 40896025 = 20586^2 + 6395^2 .

It is a cyclic number.

It is not a de Polignac number, because 464679421 - 2⁵ = 464679389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464679121) 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 as a sum of consecutive naturals, namely, 232339710 + 232339711.

It is an arithmetic number, because the mean of its divisors is an integer number (232339711).

Almost surely, 2^464679421 is an apocalyptic number.

It is an amenable number.

464679421 is a deficient number, since it is larger than the sum of its proper divisors (1).

464679421 is an equidigital number, since it uses as much as digits as its factorization.

464679421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 43.

The square root of 464679421 is about 21556.4241236806. The cubic root of 464679421 is about 774.5530109226.

The spelling of 464679421 in words is "four hundred sixty-four million, six hundred seventy-nine thousand, four hundred twenty-one".