2555434109 has 2 divisors, whose sum is σ = 2555434110. Its totient is φ = 2555434108.

The previous prime is 2555434103. The next prime is 2555434111. The reversal of 2555434109 is 9014345552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1976069209 + 579364900 = 44453^2 + 24070^2 .

It is a cyclic number.

It is not a de Polignac number, because 2555434109 - 2¹⁶ = 2555368573 is a prime.

Together with 2555434111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2555434103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277717054 + 1277717055.

It is an arithmetic number, because the mean of its divisors is an integer number (1277717055).

Almost surely, 2^2555434109 is an apocalyptic number.

It is an amenable number.

2555434109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555434109 is an equidigital number, since it uses as much as digits as its factorization.

2555434109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 2555434109 is about 50551.3017537630. The cubic root of 2555434109 is about 1367.1669854539.

The spelling of 2555434109 in words is "two billion, five hundred fifty-five million, four hundred thirty-four thousand, one hundred nine".