5161589465 has 24 divisors (see below), whose sum is σ = 6310358208. Its totient is φ = 4053006720.

The previous prime is 5161589449. The next prime is 5161589467. The reversal of 5161589465 is 5649851615.

It is a happy number.

It is not a de Polignac number, because 5161589465 - 2⁴ = 5161589449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5161589467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8179700 + ... + 8180330.

It is an arithmetic number, because the mean of its divisors is an integer number (262931592).

Almost surely, 2^5161589465 is an apocalyptic number.

It is an amenable number.

5161589465 is a deficient number, since it is larger than the sum of its proper divisors (1148768743).

5161589465 is an equidigital number, since it uses as much as digits as its factorization.

5161589465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089 (or 1016 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 50.

The square root of 5161589465 is about 71844.2027236714. The cubic root of 5161589465 is about 1728.2019324959.

The spelling of 5161589465 in words is "five billion, one hundred sixty-one million, five hundred eighty-nine thousand, four hundred sixty-five".