461956447 has 2 divisors, whose sum is σ = 461956448. Its totient is φ = 461956446.

The previous prime is 461956441. The next prime is 461956493. The reversal of 461956447 is 744659164.

It is an a-pointer prime, because the next prime (461956493) can be obtained adding 461956447 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 461956447 - 2²³ = 453567839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 461956397 and 461956406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461956441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230978223 + 230978224.

It is an arithmetic number, because the mean of its divisors is an integer number (230978224).

Almost surely, 2^461956447 is an apocalyptic number.

461956447 is a deficient number, since it is larger than the sum of its proper divisors (1).

461956447 is an equidigital number, since it uses as much as digits as its factorization.

461956447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 46.

The square root of 461956447 is about 21493.1721018560. The cubic root of 461956447 is about 773.0371121770.

The spelling of 461956447 in words is "four hundred sixty-one million, nine hundred fifty-six thousand, four hundred forty-seven".