463249661 has 4 divisors (see below), whose sum is σ = 529428192. Its totient is φ = 397071132.

The previous prime is 463249639. The next prime is 463249663. The reversal of 463249661 is 166942364.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-463249661 is a prime.

It is a super-2 number, since 2×463249661² = 429200496833229842, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (463249663) 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 in 3 ways as a sum of consecutive naturals, for example, 33089255 + ... + 33089268.

It is an arithmetic number, because the mean of its divisors is an integer number (132357048).

Almost surely, 2^463249661 is an apocalyptic number.

It is an amenable number.

463249661 is a deficient number, since it is larger than the sum of its proper divisors (66178531).

463249661 is an equidigital number, since it uses as much as digits as its factorization.

463249661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66178530.

The product of its digits is 186624, while the sum is 41.

The square root of 463249661 is about 21523.2353748223. The cubic root of 463249661 is about 773.7577941124.

The spelling of 463249661 in words is "four hundred sixty-three million, two hundred forty-nine thousand, six hundred sixty-one".