634914920692 has 12 divisors (see below), whose sum is σ = 1196570427556. Its totient is φ = 293037655680.

The previous prime is 634914920669. The next prime is 634914920699. The reversal of 634914920692 is 296029419436.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 284135905936 + 350779014756 = 533044^2 + 592266^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634914920699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6104951109 + ... + 6104951212.

Almost surely, 2^634914920692 is an apocalyptic number.

It is an amenable number.

634914920692 is a deficient number, since it is larger than the sum of its proper divisors (561655506864).

634914920692 is a wasteful number, since it uses less digits than its factorization.

634914920692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12209902338 (or 12209902336 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 55.

The spelling of 634914920692 in words is "six hundred thirty-four billion, nine hundred fourteen million, nine hundred twenty thousand, six hundred ninety-two".