634053725045 has 32 divisors (see below), whose sum is σ = 821248841952. Its totient is φ = 467164495872.

The previous prime is 634053725033. The next prime is 634053725051. The reversal of 634053725045 is 540527350436.

It can be written as a sum of positive squares in 16 ways, for example, as 53520971716 + 580532753329 = 231346^2 + 761927^2 .

It is a cyclic number.

It is not a de Polignac number, because 634053725045 - 2⁸ = 634053724789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 634053724987 and 634053725005.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 87609167 + ... + 87616403.

It is an arithmetic number, because the mean of its divisors is an integer number (25664026311).

Almost surely, 2^634053725045 is an apocalyptic number.

634053725045 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

634053725045 is a deficient number, since it is larger than the sum of its proper divisors (187195116907).

634053725045 is a wasteful number, since it uses less digits than its factorization.

634053725045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10121.

The product of its (nonzero) digits is 1512000, while the sum is 44.

The spelling of 634053725045 in words is "six hundred thirty-four billion, fifty-three million, seven hundred twenty-five thousand, forty-five".