34123917979 has 2 divisors, whose sum is σ = 34123917980. Its totient is φ = 34123917978.

The previous prime is 34123917937. The next prime is 34123918021. The reversal of 34123917979 is 97971932143.

It is a balanced prime because it is at equal distance from previous prime (34123917937) and next prime (34123918021).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34123917979 is a prime.

It is not a weakly prime, because it can be changed into another prime (34123917479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17061958989 + 17061958990.

It is an arithmetic number, because the mean of its divisors is an integer number (17061958990).

Almost surely, 2^34123917979 is an apocalyptic number.

34123917979 is a deficient number, since it is larger than the sum of its proper divisors (1).

34123917979 is an equidigital number, since it uses as much as digits as its factorization.

34123917979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2571912, while the sum is 55.

The spelling of 34123917979 in words is "thirty-four billion, one hundred twenty-three million, nine hundred seventeen thousand, nine hundred seventy-nine".