464644091 has 4 divisors (see below), whose sum is σ = 484846032. Its totient is φ = 444442152.

The previous prime is 464644087. The next prime is 464644097. The reversal of 464644091 is 190446464.

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 464644091 - 2² = 464644087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464644097) 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, 10100936 + ... + 10100981.

It is an arithmetic number, because the mean of its divisors is an integer number (121211508).

Almost surely, 2^464644091 is an apocalyptic number.

464644091 is a deficient number, since it is larger than the sum of its proper divisors (20201941).

464644091 is a wasteful number, since it uses less digits than its factorization.

464644091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20201940.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 464644091 is about 21555.6046308147. The cubic root of 464644091 is about 774.5333804345.

The spelling of 464644091 in words is "four hundred sixty-four million, six hundred forty-four thousand, ninety-one".