464689089 has 16 divisors (see below), whose sum is σ = 704440000. Its totient is φ = 302587488.

The previous prime is 464689087. The next prime is 464689091. The reversal of 464689089 is 980986464.

It is an interprime number because it is at equal distance from previous prime (464689087) and next prime (464689091).

It is not a de Polignac number, because 464689089 - 2¹ = 464689087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464689087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198964 + ... + 201285.

It is an arithmetic number, because the mean of its divisors is an integer number (44027500).

Almost surely, 2^464689089 is an apocalyptic number.

It is an amenable number.

464689089 is a deficient number, since it is larger than the sum of its proper divisors (239750911).

464689089 is a wasteful number, since it uses less digits than its factorization.

464689089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400301 (or 400295 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 464689089 is about 21556.6483712102. The cubic root of 464689089 is about 774.5583826019.

The spelling of 464689089 in words is "four hundred sixty-four million, six hundred eighty-nine thousand, eighty-nine".