465896189 has 4 divisors (see below), whose sum is σ = 508250400. Its totient is φ = 423541980.

The previous prime is 465896183. The next prime is 465896191. The reversal of 465896189 is 981698564.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 465896189 - 2²⁴ = 449118973 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 (465896183) 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, 21177089 + ... + 21177110.

It is an arithmetic number, because the mean of its divisors is an integer number (127062600).

Almost surely, 2^465896189 is an apocalyptic number.

It is an amenable number.

465896189 is a deficient number, since it is larger than the sum of its proper divisors (42354211).

465896189 is a wasteful number, since it uses less digits than its factorization.

465896189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42354210.

The product of its digits is 3732480, while the sum is 56.

The square root of 465896189 is about 21584.6285351405. The cubic root of 465896189 is about 775.2284801197.

The spelling of 465896189 in words is "four hundred sixty-five million, eight hundred ninety-six thousand, one hundred eighty-nine".