463537409 has 2 divisors, whose sum is σ = 463537410. Its totient is φ = 463537408.

The previous prime is 463537387. The next prime is 463537441. The reversal of 463537409 is 904735364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 256896784 + 206640625 = 16028^2 + 14375^2 .

It is a cyclic number.

It is not a de Polignac number, because 463537409 - 2²⁰ = 462488833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (463537609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231768704 + 231768705.

It is an arithmetic number, because the mean of its divisors is an integer number (231768705).

Almost surely, 2^463537409 is an apocalyptic number.

It is an amenable number.

463537409 is a deficient number, since it is larger than the sum of its proper divisors (1).

463537409 is an equidigital number, since it uses as much as digits as its factorization.

463537409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 41.

The square root of 463537409 is about 21529.9189269259. The cubic root of 463537409 is about 773.9179677677.

The spelling of 463537409 in words is "four hundred sixty-three million, five hundred thirty-seven thousand, four hundred nine".