34820809379 has 2 divisors, whose sum is σ = 34820809380. Its totient is φ = 34820809378.

The previous prime is 34820809369. The next prime is 34820809393. The reversal of 34820809379 is 97390802843.

34820809379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (97390802843) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34820809379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34820809379.

It is not a weakly prime, because it can be changed into another prime (34820809369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17410404689 + 17410404690.

It is an arithmetic number, because the mean of its divisors is an integer number (17410404690).

Almost surely, 2^34820809379 is an apocalyptic number.

34820809379 is a deficient number, since it is larger than the sum of its proper divisors (1).

34820809379 is an equidigital number, since it uses as much as digits as its factorization.

34820809379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 34820809379 in words is "thirty-four billion, eight hundred twenty million, eight hundred nine thousand, three hundred seventy-nine".