28034626349 has 2 divisors, whose sum is σ = 28034626350. Its totient is φ = 28034626348.

The previous prime is 28034626309. The next prime is 28034626351. The reversal of 28034626349 is 94362643082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25148250724 + 2886375625 = 158582^2 + 53725^2 .

It is a cyclic number.

It is not a de Polignac number, because 28034626349 - 2⁸ = 28034626093 is a prime.

Together with 28034626351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28034626309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14017313174 + 14017313175.

It is an arithmetic number, because the mean of its divisors is an integer number (14017313175).

Almost surely, 2^28034626349 is an apocalyptic number.

It is an amenable number.

28034626349 is a deficient number, since it is larger than the sum of its proper divisors (1).

28034626349 is an equidigital number, since it uses as much as digits as its factorization.

28034626349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 47.

The spelling of 28034626349 in words is "twenty-eight billion, thirty-four million, six hundred twenty-six thousand, three hundred forty-nine".