34151212729 has 2 divisors, whose sum is σ = 34151212730. Its totient is φ = 34151212728.

The previous prime is 34151212723. The next prime is 34151212759. The reversal of 34151212729 is 92721215143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20220840000 + 13930372729 = 142200^2 + 118027^2 .

It is a cyclic number.

It is not a de Polignac number, because 34151212729 - 2³ = 34151212721 is a prime.

It is a super-2 number, since 2×34151212729² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34151212721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17075606364 + 17075606365.

It is an arithmetic number, because the mean of its divisors is an integer number (17075606365).

Almost surely, 2^34151212729 is an apocalyptic number.

It is an amenable number.

34151212729 is a deficient number, since it is larger than the sum of its proper divisors (1).

34151212729 is an equidigital number, since it uses as much as digits as its factorization.

34151212729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The spelling of 34151212729 in words is "thirty-four billion, one hundred fifty-one million, two hundred twelve thousand, seven hundred twenty-nine".