5155638489 has 24 divisors (see below), whose sum is σ = 7745996544. Its totient is φ = 3300804000.

The previous prime is 5155638487. The next prime is 5155638491. The reversal of 5155638489 is 9848365515.

5155638489 is a `hidden beast` number, since 5 + 1 + 556 + 3 + 8 + 4 + 89 = 666.

It is an interprime number because it is at equal distance from previous prime (5155638487) and next prime (5155638491).

It is not a de Polignac number, because 5155638489 - 2¹ = 5155638487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5155638487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33982 + ... + 107079.

It is an arithmetic number, because the mean of its divisors is an integer number (322749856).

Almost surely, 2^5155638489 is an apocalyptic number.

It is an amenable number.

5155638489 is a deficient number, since it is larger than the sum of its proper divisors (2590358055).

5155638489 is a wasteful number, since it uses less digits than its factorization.

5155638489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141229 (or 141226 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 54.

The square root of 5155638489 is about 71802.7749394130. The cubic root of 5155638489 is about 1727.5375090481.

The spelling of 5155638489 in words is "five billion, one hundred fifty-five million, six hundred thirty-eight thousand, four hundred eighty-nine".