34121242387 has 2 divisors, whose sum is σ = 34121242388. Its totient is φ = 34121242386.

The previous prime is 34121242307. The next prime is 34121242433. The reversal of 34121242387 is 78324212143.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34121242387 is a prime.

It is not a weakly prime, because it can be changed into another prime (34121242307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17060621193 + 17060621194.

It is an arithmetic number, because the mean of its divisors is an integer number (17060621194).

Almost surely, 2^34121242387 is an apocalyptic number.

34121242387 is a deficient number, since it is larger than the sum of its proper divisors (1).

34121242387 is an equidigital number, since it uses as much as digits as its factorization.

34121242387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 37.

The spelling of 34121242387 in words is "thirty-four billion, one hundred twenty-one million, two hundred forty-two thousand, three hundred eighty-seven".