12750045169 has 8 divisors (see below), whose sum is σ = 13684981320. Its totient is φ = 11835657216.

The previous prime is 12750045167. The next prime is 12750045263. The reversal of 12750045169 is 96154005721.

It can be written as a sum of positive squares in 4 ways, for example, as 680166400 + 12069878769 = 26080^2 + 109863^2 .

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 12750045169 - 2¹ = 12750045167 is a prime.

It is a super-2 number, since 2×12750045169² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12750045163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5135764 + ... + 5138245.

It is an arithmetic number, because the mean of its divisors is an integer number (1710622665).

Almost surely, 2^12750045169 is an apocalyptic number.

It is an amenable number.

12750045169 is a deficient number, since it is larger than the sum of its proper divisors (934936151).

12750045169 is a wasteful number, since it uses less digits than its factorization.

12750045169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10274099.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 12750045169 in words is "twelve billion, seven hundred fifty million, forty-five thousand, one hundred sixty-nine".