34458512381 has 2 divisors, whose sum is σ = 34458512382. Its totient is φ = 34458512380.

The previous prime is 34458512357. The next prime is 34458512437. The reversal of 34458512381 is 18321585443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33696476356 + 762036025 = 183566^2 + 27605^2 .

It is a cyclic number.

It is not a de Polignac number, because 34458512381 - 2¹⁸ = 34458250237 is a prime.

It is a super-2 number, since 2×34458512381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34458512351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17229256190 + 17229256191.

It is an arithmetic number, because the mean of its divisors is an integer number (17229256191).

Almost surely, 2^34458512381 is an apocalyptic number.

It is an amenable number.

34458512381 is a deficient number, since it is larger than the sum of its proper divisors (1).

34458512381 is an equidigital number, since it uses as much as digits as its factorization.

34458512381 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 34458512381 in words is "thirty-four billion, four hundred fifty-eight million, five hundred twelve thousand, three hundred eighty-one".