1275250389369 has 16 divisors (see below), whose sum is σ = 1935557904384. Its totient is φ = 739275587600.

The previous prime is 1275250389313. The next prime is 1275250389377. The reversal of 1275250389369 is 9639830525721.

It is not a de Polignac number, because 1275250389369 - 2²³ = 1275242000761 is a prime.

It is a super-2 number, since 2×1275250389369² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1275250389389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 840085137 + ... + 840086654.

It is an arithmetic number, because the mean of its divisors is an integer number (120972369024).

Almost surely, 2^{1275250389369} is an apocalyptic number.

It is an amenable number.

1275250389369 is a deficient number, since it is larger than the sum of its proper divisors (660307515015).

1275250389369 is a wasteful number, since it uses less digits than its factorization.

1275250389369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680171828.

The product of its (nonzero) digits is 24494400, while the sum is 60.

The spelling of 1275250389369 in words is "one trillion, two hundred seventy-five billion, two hundred fifty million, three hundred eighty-nine thousand, three hundred sixty-nine".