634608972101 has 8 divisors (see below), whose sum is σ = 693625421664. Its totient is φ = 577049718960.

The previous prime is 634608972083. The next prime is 634608972103. The reversal of 634608972101 is 101279806436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 634608972101 - 2¹⁰ = 634608971077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634608972103) 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 in 7 ways as a sum of consecutive naturals, for example, 364298195 + ... + 364299936.

It is an arithmetic number, because the mean of its divisors is an integer number (86703177708).

Almost surely, 2^634608972101 is an apocalyptic number.

It is an amenable number.

634608972101 is a deficient number, since it is larger than the sum of its proper divisors (59016449563).

634608972101 is a wasteful number, since it uses less digits than its factorization.

634608972101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728598211.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 634608972101 in words is "six hundred thirty-four billion, six hundred eight million, nine hundred seventy-two thousand, one hundred one".