34723142249 has 2 divisors, whose sum is σ = 34723142250. Its totient is φ = 34723142248.

The previous prime is 34723142189. The next prime is 34723142261. The reversal of 34723142249 is 94224132743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32776567849 + 1946574400 = 181043^2 + 44120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34723142249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (34723142149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17361571124 + 17361571125.

It is an arithmetic number, because the mean of its divisors is an integer number (17361571125).

Almost surely, 2^34723142249 is an apocalyptic number.

It is an amenable number.

34723142249 is a deficient number, since it is larger than the sum of its proper divisors (1).

34723142249 is an equidigital number, since it uses as much as digits as its factorization.

34723142249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 41.

The spelling of 34723142249 in words is "thirty-four billion, seven hundred twenty-three million, one hundred forty-two thousand, two hundred forty-nine".