463772921 has 2 divisors, whose sum is σ = 463772922. Its totient is φ = 463772920.

The previous prime is 463772917. The next prime is 463772983. The reversal of 463772921 is 129277364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 457960000 + 5812921 = 21400^2 + 2411^2 .

It is a cyclic number.

It is not a de Polignac number, because 463772921 - 2² = 463772917 is a prime.

It is not a weakly prime, because it can be changed into another prime (463772021) 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, 231886460 + 231886461.

It is an arithmetic number, because the mean of its divisors is an integer number (231886461).

Almost surely, 2^463772921 is an apocalyptic number.

It is an amenable number.

463772921 is a deficient number, since it is larger than the sum of its proper divisors (1).

463772921 is an equidigital number, since it uses as much as digits as its factorization.

463772921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 41.

The square root of 463772921 is about 21535.3876445259. The cubic root of 463772921 is about 774.0490151619.

The spelling of 463772921 in words is "four hundred sixty-three million, seven hundred seventy-two thousand, nine hundred twenty-one".