2159433369 has 6 divisors (see below), whose sum is σ = 3119181546. Its totient is φ = 1439622240.

The previous prime is 2159433359. The next prime is 2159433379. The reversal of 2159433369 is 9633349512.

2159433369 is a `hidden beast` number, since 2 + 159 + 433 + 3 + 69 = 666.

It is an interprime number because it is at equal distance from previous prime (2159433359) and next prime (2159433379).

It can be written as a sum of positive squares in only one way, i.e., 2084835600 + 74597769 = 45660^2 + 8637^2 .

It is not a de Polignac number, because 2159433369 - 2⁹ = 2159432857 is a prime.

It is a super-2 number, since 2×2159433369² = 9326304950301380322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2159433359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119968512 + ... + 119968529.

It is an arithmetic number, because the mean of its divisors is an integer number (519863591).

Almost surely, 2^2159433369 is an apocalyptic number.

It is an amenable number.

2159433369 is a deficient number, since it is larger than the sum of its proper divisors (959748177).

2159433369 is a wasteful number, since it uses less digits than its factorization.

2159433369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239937047 (or 239937044 counting only the distinct ones).

The product of its digits is 524880, while the sum is 45.

The square root of 2159433369 is about 46469.7037756859. The cubic root of 2159433369 is about 1292.5477699223.

The spelling of 2159433369 in words is "two billion, one hundred fifty-nine million, four hundred thirty-three thousand, three hundred sixty-nine".