464109891 has 8 divisors (see below), whose sum is σ = 707215104. Its totient is φ = 265205640.

The previous prime is 464109869. The next prime is 464109917. The reversal of 464109891 is 198901464.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 464109891 - 2⁵ = 464109859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (464209891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11050215 + ... + 11050256.

It is an arithmetic number, because the mean of its divisors is an integer number (88401888).

Almost surely, 2^464109891 is an apocalyptic number.

464109891 is a deficient number, since it is larger than the sum of its proper divisors (243105213).

464109891 is a wasteful number, since it uses less digits than its factorization.

464109891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22100481.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 464109891 is about 21543.2098583289. The cubic root of 464109891 is about 774.2364403279.

The spelling of 464109891 in words is "four hundred sixty-four million, one hundred nine thousand, eight hundred ninety-one".