34013021389 has 2 divisors, whose sum is σ = 34013021390. Its totient is φ = 34013021388.

The previous prime is 34013021387. The next prime is 34013021401. The reversal of 34013021389 is 98312031043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28386521289 + 5626500100 = 168483^2 + 75010^2 .

It is a cyclic number.

It is not a de Polignac number, because 34013021389 - 2¹ = 34013021387 is a prime.

Together with 34013021387, 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 (34013021387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17006510694 + 17006510695.

It is an arithmetic number, because the mean of its divisors is an integer number (17006510695).

Almost surely, 2^34013021389 is an apocalyptic number.

It is an amenable number.

34013021389 is a deficient number, since it is larger than the sum of its proper divisors (1).

34013021389 is an equidigital number, since it uses as much as digits as its factorization.

34013021389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 34013021389 in words is "thirty-four billion, thirteen million, twenty-one thousand, three hundred eighty-nine".