634204113005 has 16 divisors (see below), whose sum is σ = 787313617200. Its totient is φ = 489851980800.

The previous prime is 634204112963. The next prime is 634204113013. The reversal of 634204113005 is 500311402436.

It can be written as a sum of positive squares in 8 ways, for example, as 105736179241 + 528467933764 = 325171^2 + 726958^2 .

It is not a de Polignac number, because 634204113005 - 2¹⁶ = 634204047469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6369605 + ... + 6468405.

It is an arithmetic number, because the mean of its divisors is an integer number (49207101075).

Almost surely, 2^634204113005 is an apocalyptic number.

It is an amenable number.

634204113005 is a deficient number, since it is larger than the sum of its proper divisors (153109504195).

634204113005 is a wasteful number, since it uses less digits than its factorization.

634204113005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143104.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 634204113005 in words is "six hundred thirty-four billion, two hundred four million, one hundred thirteen thousand, five".