2558144429 has 2 divisors, whose sum is σ = 2558144430. Its totient is φ = 2558144428.

The previous prime is 2558144417. The next prime is 2558144461. The reversal of 2558144429 is 9244418552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2543689225 + 14455204 = 50435^2 + 3802^2 .

It is a cyclic number.

It is not a de Polignac number, because 2558144429 - 2²⁸ = 2289708973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2558144429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2558144929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1279072214 + 1279072215.

It is an arithmetic number, because the mean of its divisors is an integer number (1279072215).

Almost surely, 2^2558144429 is an apocalyptic number.

It is an amenable number.

2558144429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2558144429 is an equidigital number, since it uses as much as digits as its factorization.

2558144429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 460800, while the sum is 44.

The square root of 2558144429 is about 50578.1022676810. The cubic root of 2558144429 is about 1367.6501585171.

The spelling of 2558144429 in words is "two billion, five hundred fifty-eight million, one hundred forty-four thousand, four hundred twenty-nine".