634260445060405 has 8 divisors (see below), whose sum is σ = 773589788729784. Its totient is φ = 499090186276800.

The previous prime is 634260445060399. The next prime is 634260445060421. The reversal of 634260445060405 is 504060544062436.

It can be written as a sum of positive squares in 4 ways, for example, as 87313961509636 + 546946483550769 = 9344194^2 + 23386887^2 .

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

It is not a de Polignac number, because 634260445060405 - 2⁹ = 634260445059893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1039771221106 + ... + 1039771221715.

It is an arithmetic number, because the mean of its divisors is an integer number (96698723591223).

Almost surely, 2^{634260445060405} is an apocalyptic number.

It is an amenable number.

634260445060405 is a deficient number, since it is larger than the sum of its proper divisors (139329343669379).

634260445060405 is a wasteful number, since it uses less digits than its factorization.

634260445060405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079542442887.

The product of its (nonzero) digits is 8294400, while the sum is 49.

The spelling of 634260445060405 in words is "six hundred thirty-four trillion, two hundred sixty billion, four hundred forty-five million, sixty thousand, four hundred five".