634134464105 has 32 divisors (see below), whose sum is σ = 787756996608. Its totient is φ = 489539635200.

The previous prime is 634134464101. The next prime is 634134464129. The reversal of 634134464105 is 501464431436.

It is not a de Polignac number, because 634134464105 - 2² = 634134464101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634134464101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85771289 + ... + 85778681.

It is an arithmetic number, because the mean of its divisors is an integer number (24617406144).

Almost surely, 2^634134464105 is an apocalyptic number.

It is an amenable number.

634134464105 is a deficient number, since it is larger than the sum of its proper divisors (153622532503).

634134464105 is a wasteful number, since it uses less digits than its factorization.

634134464105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8937.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 634134464105 in words is "six hundred thirty-four billion, one hundred thirty-four million, four hundred sixty-four thousand, one hundred five".