34623890869 has 2 divisors, whose sum is σ = 34623890870. Its totient is φ = 34623890868.

The previous prime is 34623890867. The next prime is 34623890887. The reversal of 34623890869 is 96809832643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18410961969 + 16212928900 = 135687^2 + 127330^2 .

It is a cyclic number.

It is not a de Polignac number, because 34623890869 - 2¹ = 34623890867 is a prime.

It is a super-2 number, since 2×34623890869² (a number of 22 digits) contains 22 as substring.

Together with 34623890867, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34623890867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17311945434 + 17311945435.

It is an arithmetic number, because the mean of its divisors is an integer number (17311945435).

Almost surely, 2^34623890869 is an apocalyptic number.

It is an amenable number.

34623890869 is a deficient number, since it is larger than the sum of its proper divisors (1).

34623890869 is an equidigital number, since it uses as much as digits as its factorization.

34623890869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13436928, while the sum is 58.

The spelling of 34623890869 in words is "thirty-four billion, six hundred twenty-three million, eight hundred ninety thousand, eight hundred sixty-nine".