463661791 has 4 divisors (see below), whose sum is σ = 490936032. Its totient is φ = 436387552.

The previous prime is 463661789. The next prime is 463661833. The reversal of 463661791 is 197166364.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 463661791 - 2¹ = 463661789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (463661701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13637095 + ... + 13637128.

It is an arithmetic number, because the mean of its divisors is an integer number (122734008).

Almost surely, 2^463661791 is an apocalyptic number.

463661791 is a deficient number, since it is larger than the sum of its proper divisors (27274241).

463661791 is a wasteful number, since it uses less digits than its factorization.

463661791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27274240.

The product of its digits is 163296, while the sum is 43.

The square root of 463661791 is about 21532.8073181367. The cubic root of 463661791 is about 773.9871839403.

The spelling of 463661791 in words is "four hundred sixty-three million, six hundred sixty-one thousand, seven hundred ninety-one".