2659155489 has 9 divisors (see below), whose sum is σ = 3841225843. Its totient is φ = 1772667192.

The previous prime is 2659155461. The next prime is 2659155509. The reversal of 2659155489 is 9845519562.

The square root of 2659155489 is 51567.

It is a perfect power (a square), and thus also a powerful number.

2659155489 is a `hidden beast` number, since 2 + 6 + 5 + 9 + 1 + 554 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2483327889 + 175827600 = 49833^2 + 13260^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 2659155489 - 2¹⁵ = 2659122721 is a prime.

It is a super-2 number, since 2×2659155489² = 14142215829357658242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2659155689) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 146107 + ... + 163295.

Almost surely, 2^2659155489 is an apocalyptic number.

2659155489 is the 51567-th square number.

2659155489 is the 25784-th centered octagonal number.

It is an amenable number.

2659155489 is a deficient number, since it is larger than the sum of its proper divisors (1182070354).

2659155489 is an frugal number, since it uses more digits than its factorization.

2659155489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34384 (or 17192 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 54.

The cubic root of 2659155489 is about 1385.4193344204.

The spelling of 2659155489 in words is "two billion, six hundred fifty-nine million, one hundred fifty-five thousand, four hundred eighty-nine".