464571893 has 2 divisors, whose sum is σ = 464571894. Its totient is φ = 464571892.

The previous prime is 464571853. The next prime is 464571911. The reversal of 464571893 is 398175464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 445969924 + 18601969 = 21118^2 + 4313^2 .

It is a cyclic number.

It is not a de Polignac number, because 464571893 - 2¹² = 464567797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464571823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232285946 + 232285947.

It is an arithmetic number, because the mean of its divisors is an integer number (232285947).

Almost surely, 2^464571893 is an apocalyptic number.

It is an amenable number.

464571893 is a deficient number, since it is larger than the sum of its proper divisors (1).

464571893 is an equidigital number, since it uses as much as digits as its factorization.

464571893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 47.

The square root of 464571893 is about 21553.9298736912. The cubic root of 464571893 is about 774.4932618013.

The spelling of 464571893 in words is "four hundred sixty-four million, five hundred seventy-one thousand, eight hundred ninety-three".