461863319 has 4 divisors (see below), whose sum is σ = 473128320. Its totient is φ = 450598320.

The previous prime is 461863289. The next prime is 461863333. The reversal of 461863319 is 913368164.

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

It is a cyclic number.

It is not a de Polignac number, because 461863319 - 2⁸ = 461863063 is a prime.

It is a super-2 number, since 2×461863319² = 426635450875391522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 11264959 = 461863319 / (4 + 6 + 1 + 8 + 6 + 3 + 3 + 1 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461863819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5632439 + ... + 5632520.

It is an arithmetic number, because the mean of its divisors is an integer number (118282080).

Almost surely, 2^461863319 is an apocalyptic number.

461863319 is a deficient number, since it is larger than the sum of its proper divisors (11265001).

461863319 is a wasteful number, since it uses less digits than its factorization.

461863319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11265000.

The product of its digits is 93312, while the sum is 41.

The square root of 461863319 is about 21491.0055372009. The cubic root of 461863319 is about 772.9851619416.

The spelling of 461863319 in words is "four hundred sixty-one million, eight hundred sixty-three thousand, three hundred nineteen".