2258156429 has 2 divisors, whose sum is σ = 2258156430. Its totient is φ = 2258156428.

The previous prime is 2258156413. The next prime is 2258156473. The reversal of 2258156429 is 9246518522.

2258156429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2258156473) can be obtained adding 2258156429 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2134902025 + 123254404 = 46205^2 + 11102^2 .

It is a cyclic number.

It is not a de Polignac number, because 2258156429 - 2⁴ = 2258156413 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2258156429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2258156489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129078214 + 1129078215.

It is an arithmetic number, because the mean of its divisors is an integer number (1129078215).

Almost surely, 2^2258156429 is an apocalyptic number.

It is an amenable number.

2258156429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2258156429 is an equidigital number, since it uses as much as digits as its factorization.

2258156429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 44.

The square root of 2258156429 is about 47520.0634364055. The cubic root of 2258156429 is about 1311.9521869737.

The spelling of 2258156429 in words is "two billion, two hundred fifty-eight million, one hundred fifty-six thousand, four hundred twenty-nine".