258270400439 has 2 divisors, whose sum is σ = 258270400440. Its totient is φ = 258270400438.

The previous prime is 258270400357. The next prime is 258270400447. The reversal of 258270400439 is 934004072852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 258270400439 - 2¹² = 258270396343 is a prime.

It is a super-2 number, since 2×258270400439² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 258270400439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258270403439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129135200219 + 129135200220.

It is an arithmetic number, because the mean of its divisors is an integer number (129135200220).

Almost surely, 2^258270400439 is an apocalyptic number.

258270400439 is a deficient number, since it is larger than the sum of its proper divisors (1).

258270400439 is an equidigital number, since it uses as much as digits as its factorization.

258270400439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 258270400439 in words is "two hundred fifty-eight billion, two hundred seventy million, four hundred thousand, four hundred thirty-nine".