468899813 has 4 divisors (see below), whose sum is σ = 469724460. Its totient is φ = 468075168.

The previous prime is 468899791. The next prime is 468899881. The reversal of 468899813 is 318998864.

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

It can be written as a sum of positive squares in 2 ways, for example, as 267060964 + 201838849 = 16342^2 + 14207^2 .

It is a cyclic number.

It is not a de Polignac number, because 468899813 - 2⁶ = 468899749 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 (468829813) 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, 411470 + ... + 412607.

It is an arithmetic number, because the mean of its divisors is an integer number (117431115).

Almost surely, 2^468899813 is an apocalyptic number.

It is an amenable number.

468899813 is a deficient number, since it is larger than the sum of its proper divisors (824647).

468899813 is an equidigital number, since it uses as much as digits as its factorization.

468899813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824646.

The product of its digits is 2985984, while the sum is 56.

The square root of 468899813 is about 21654.0946012527. The cubic root of 468899813 is about 776.8908739090.

The spelling of 468899813 in words is "four hundred sixty-eight million, eight hundred ninety-nine thousand, eight hundred thirteen".