634586012345 has 8 divisors (see below), whose sum is σ = 761523117576. Its totient is φ = 507655541376.

The previous prime is 634586012341. The next prime is 634586012387. The reversal of 634586012345 is 543210685436.

It can be written as a sum of positive squares in 4 ways, for example, as 159070952569 + 475515059776 = 398837^2 + 689576^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 634586012345 - 2² = 634586012341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 634586012345.

It is not an unprimeable number, because it can be changed into a prime (634586012341) 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, 1445642 + ... + 1832771.

It is an arithmetic number, because the mean of its divisors is an integer number (95190389697).

Almost surely, 2^634586012345 is an apocalyptic number.

It is an amenable number.

634586012345 is a deficient number, since it is larger than the sum of its proper divisors (126937105231).

634586012345 is a wasteful number, since it uses less digits than its factorization.

634586012345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3317131.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 634586012345 in words is "six hundred thirty-four billion, five hundred eighty-six million, twelve thousand, three hundred forty-five".