34967021838389 has 2 divisors, whose sum is σ = 34967021838390. Its totient is φ = 34967021838388.

The previous prime is 34967021838377. The next prime is 34967021838467. The reversal of 34967021838389 is 98383812076943.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34115061456100 + 851960382289 = 5840810^2 + 923017^2 .

It is a cyclic number.

It is not a de Polignac number, because 34967021838389 - 2¹² = 34967021834293 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34967021838319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17483510919194 + 17483510919195.

It is an arithmetic number, because the mean of its divisors is an integer number (17483510919195).

Almost surely, 2^{34967021838389} is an apocalyptic number.

It is an amenable number.

34967021838389 is a deficient number, since it is larger than the sum of its proper divisors (1).

34967021838389 is an equidigital number, since it uses as much as digits as its factorization.

34967021838389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376233984, while the sum is 71.

The spelling of 34967021838389 in words is "thirty-four trillion, nine hundred sixty-seven billion, twenty-one million, eight hundred thirty-eight thousand, three hundred eighty-nine".