2556433130 has 8 divisors (see below), whose sum is σ = 4601579652. Its totient is φ = 1022573248.

The previous prime is 2556433097. The next prime is 2556433163. The reversal of 2556433130 is 313346552.

It is an interprime number because it is at equal distance from previous prime (2556433097) and next prime (2556433163).

It can be written as a sum of positive squares in 2 ways, for example, as 2186217049 + 370216081 = 46757^2 + 19241^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127821647 + ... + 127821666.

Almost surely, 2^2556433130 is an apocalyptic number.

2556433130 is a deficient number, since it is larger than the sum of its proper divisors (2045146522).

2556433130 is a wasteful number, since it uses less digits than its factorization.

2556433130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255643320.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 2556433130 is about 50561.1820471001. The cubic root of 2556433130 is about 1367.3451222562.

Adding to 2556433130 its reverse (313346552), we get a palindrome (2869779682).

The spelling of 2556433130 in words is "two billion, five hundred fifty-six million, four hundred thirty-three thousand, one hundred thirty".