1375048889 has 2 divisors, whose sum is σ = 1375048890. Its totient is φ = 1375048888.

The previous prime is 1375048879. The next prime is 1375048901. The reversal of 1375048889 is 9888405731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1373443600 + 1605289 = 37060^2 + 1267^2 .

It is a cyclic number.

It is not a de Polignac number, because 1375048889 - 2¹⁶ = 1374983353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1375048889.

It is not a weakly prime, because it can be changed into another prime (1375048819) 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 as a sum of consecutive naturals, namely, 687524444 + 687524445.

It is an arithmetic number, because the mean of its divisors is an integer number (687524445).

Almost surely, 2^1375048889 is an apocalyptic number.

It is an amenable number.

1375048889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375048889 is an equidigital number, since it uses as much as digits as its factorization.

1375048889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The square root of 1375048889 is about 37081.6516487602. The cubic root of 1375048889 is about 1112.0032242997.

The spelling of 1375048889 in words is "one billion, three hundred seventy-five million, forty-eight thousand, eight hundred eighty-nine".