461635469 has 2 divisors, whose sum is σ = 461635470. Its totient is φ = 461635468.

The previous prime is 461635453. The next prime is 461635481. The reversal of 461635469 is 964536164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 455310244 + 6325225 = 21338^2 + 2515^2 .

It is a cyclic number.

It is not a de Polignac number, because 461635469 - 2⁴ = 461635453 is a prime.

It is a super-2 number, since 2×461635469² = 426214612477699922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461635409) 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, 230817734 + 230817735.

It is an arithmetic number, because the mean of its divisors is an integer number (230817735).

Almost surely, 2^461635469 is an apocalyptic number.

It is an amenable number.

461635469 is a deficient number, since it is larger than the sum of its proper divisors (1).

461635469 is an equidigital number, since it uses as much as digits as its factorization.

461635469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 44.

The square root of 461635469 is about 21485.7038283599. The cubic root of 461635469 is about 772.8580293519.

The spelling of 461635469 in words is "four hundred sixty-one million, six hundred thirty-five thousand, four hundred sixty-nine".