464781839 has 2 divisors, whose sum is σ = 464781840. Its totient is φ = 464781838.

The previous prime is 464781829. The next prime is 464781847. The reversal of 464781839 is 938187464.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 464781839 - 2¹² = 464777743 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464781829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232390919 + 232390920.

It is an arithmetic number, because the mean of its divisors is an integer number (232390920).

Almost surely, 2^464781839 is an apocalyptic number.

464781839 is a deficient number, since it is larger than the sum of its proper divisors (1).

464781839 is an equidigital number, since it uses as much as digits as its factorization.

464781839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 50.

The square root of 464781839 is about 21558.7995723324. The cubic root of 464781839 is about 774.6099120457.

The spelling of 464781839 in words is "four hundred sixty-four million, seven hundred eighty-one thousand, eight hundred thirty-nine".