463633381 has 2 divisors, whose sum is σ = 463633382. Its totient is φ = 463633380.

The previous prime is 463633361. The next prime is 463633399. The reversal of 463633381 is 183336364.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 452242756 + 11390625 = 21266^2 + 3375^2 .

It is a cyclic number.

It is not a de Polignac number, because 463633381 - 2¹³ = 463625189 is a prime.

It is a super-2 number, since 2×463633381² = 429911823954982322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 463633381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (463633301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231816690 + 231816691.

It is an arithmetic number, because the mean of its divisors is an integer number (231816691).

Almost surely, 2^463633381 is an apocalyptic number.

It is an amenable number.

463633381 is a deficient number, since it is larger than the sum of its proper divisors (1).

463633381 is an equidigital number, since it uses as much as digits as its factorization.

463633381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 37.

The square root of 463633381 is about 21532.1476169935. The cubic root of 463633381 is about 773.9713754167.

The spelling of 463633381 in words is "four hundred sixty-three million, six hundred thirty-three thousand, three hundred eighty-one".