461491463 has 2 divisors, whose sum is σ = 461491464. Its totient is φ = 461491462.

The previous prime is 461491447. The next prime is 461491493. The reversal of 461491463 is 364194164.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 461491463 - 2⁴ = 461491447 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 (461491423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230745731 + 230745732.

It is an arithmetic number, because the mean of its divisors is an integer number (230745732).

Almost surely, 2^461491463 is an apocalyptic number.

461491463 is a deficient number, since it is larger than the sum of its proper divisors (1).

461491463 is an equidigital number, since it uses as much as digits as its factorization.

461491463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The square root of 461491463 is about 21482.3523618807. The cubic root of 461491463 is about 772.7776573010. Note that the first 3 decimals are identical.

The spelling of 461491463 in words is "four hundred sixty-one million, four hundred ninety-one thousand, four hundred sixty-three".