258038121433 has 2 divisors, whose sum is σ = 258038121434. Its totient is φ = 258038121432.

The previous prime is 258038121427. The next prime is 258038121461. The reversal of 258038121433 is 334121830852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183756254224 + 74281867209 = 428668^2 + 272547^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258038121433 is a prime.

It is a super-2 number, since 2×258038121433² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (258038121463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129019060716 + 129019060717.

It is an arithmetic number, because the mean of its divisors is an integer number (129019060717).

Almost surely, 2^258038121433 is an apocalyptic number.

It is an amenable number.

258038121433 is a deficient number, since it is larger than the sum of its proper divisors (1).

258038121433 is an equidigital number, since it uses as much as digits as its factorization.

258038121433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 258038121433 in words is "two hundred fifty-eight billion, thirty-eight million, one hundred twenty-one thousand, four hundred thirty-three".