634712700029 has 2 divisors, whose sum is σ = 634712700030. Its totient is φ = 634712700028.

The previous prime is 634712699987. The next prime is 634712700047. The reversal of 634712700029 is 920007217436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 616115104900 + 18597595129 = 784930^2 + 136373^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-634712700029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634712700049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317356350014 + 317356350015.

It is an arithmetic number, because the mean of its divisors is an integer number (317356350015).

Almost surely, 2^634712700029 is an apocalyptic number.

It is an amenable number.

634712700029 is a deficient number, since it is larger than the sum of its proper divisors (1).

634712700029 is an equidigital number, since it uses as much as digits as its factorization.

634712700029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 634712700029 in words is "six hundred thirty-four billion, seven hundred twelve million, seven hundred thousand, twenty-nine".