1427715769225 has 12 divisors (see below), whose sum is σ = 1786034526876. Its totient is φ = 1132064890880.

The previous prime is 1427715769177. The next prime is 1427715769229. The reversal of 1427715769225 is 5229675177241.

It can be written as a sum of positive squares in 6 ways, for example, as 230450882809 + 1197264886416 = 480053^2 + 1094196^2 .

It is not a de Polignac number, because 1427715769225 - 2¹⁹ = 1427715244937 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 1427715769225.

It is not an unprimeable number, because it can be changed into a prime (1427715769229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252690232 + ... + 252695881.

It is an arithmetic number, because the mean of its divisors is an integer number (148836210573).

Almost surely, 2^{1427715769225} is an apocalyptic number.

It is an amenable number.

1427715769225 is a deficient number, since it is larger than the sum of its proper divisors (358318757651).

1427715769225 is a wasteful number, since it uses less digits than its factorization.

1427715769225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505386236 (or 505386231 counting only the distinct ones).

The product of its digits is 14817600, while the sum is 58.

The spelling of 1427715769225 in words is "one trillion, four hundred twenty-seven billion, seven hundred fifteen million, seven hundred sixty-nine thousand, two hundred twenty-five".