634850084749 has 2 divisors, whose sum is σ = 634850084750. Its totient is φ = 634850084748.

The previous prime is 634850084647. The next prime is 634850084753. The reversal of 634850084749 is 947480058436.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 604167307524 + 30682777225 = 777282^2 + 175165^2 .

It is a cyclic number.

It is not a de Polignac number, because 634850084749 - 2⁷ = 634850084621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 634850084693 and 634850084702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634850084789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317425042374 + 317425042375.

It is an arithmetic number, because the mean of its divisors is an integer number (317425042375).

Almost surely, 2^634850084749 is an apocalyptic number.

It is an amenable number.

634850084749 is a deficient number, since it is larger than the sum of its proper divisors (1).

634850084749 is an equidigital number, since it uses as much as digits as its factorization.

634850084749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23224320, while the sum is 58.

The spelling of 634850084749 in words is "six hundred thirty-four billion, eight hundred fifty million, eighty-four thousand, seven hundred forty-nine".