463043921 has 2 divisors, whose sum is σ = 463043922. Its totient is φ = 463043920.

The previous prime is 463043887. The next prime is 463043939. The reversal of 463043921 is 129340364.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 344473600 + 118570321 = 18560^2 + 10889^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-463043921 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (463043941) 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, 231521960 + 231521961.

It is an arithmetic number, because the mean of its divisors is an integer number (231521961).

Almost surely, 2^463043921 is an apocalyptic number.

It is an amenable number.

463043921 is a deficient number, since it is larger than the sum of its proper divisors (1).

463043921 is an equidigital number, since it uses as much as digits as its factorization.

463043921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 463043921 is about 21518.4553581339. The cubic root of 463043921 is about 773.6432291777.

The spelling of 463043921 in words is "four hundred sixty-three million, forty-three thousand, nine hundred twenty-one".