464683721 has 2 divisors, whose sum is σ = 464683722. Its totient is φ = 464683720.

The previous prime is 464683691. The next prime is 464683727. The reversal of 464683721 is 127386464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 394459321 + 70224400 = 19861^2 + 8380^2 .

It is a cyclic number.

It is not a de Polignac number, because 464683721 - 2¹⁰ = 464682697 is a prime.

It is not a weakly prime, because it can be changed into another prime (464683727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232341860 + 232341861.

It is an arithmetic number, because the mean of its divisors is an integer number (232341861).

Almost surely, 2^464683721 is an apocalyptic number.

It is an amenable number.

464683721 is a deficient number, since it is larger than the sum of its proper divisors (1).

464683721 is an equidigital number, since it uses as much as digits as its factorization.

464683721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 41.

The square root of 464683721 is about 21556.5238616990. The cubic root of 464683721 is about 774.5554000734. Note that the first 3 decimals are identical.

The spelling of 464683721 in words is "four hundred sixty-four million, six hundred eighty-three thousand, seven hundred twenty-one".