10945489 has 2 divisors, whose sum is σ = 10945490. Its totient is φ = 10945488.

The previous prime is 10945481. The next prime is 10945531. The reversal of 10945489 is 98454901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10595025 + 350464 = 3255^2 + 592^2 .

It is a cyclic number.

It is not a de Polignac number, because 10945489 - 2³ = 10945481 is a prime.

It is not a weakly prime, because it can be changed into another prime (10945481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5472744 + 5472745.

It is an arithmetic number, because the mean of its divisors is an integer number (5472745).

Almost surely, 2^10945489 is an apocalyptic number.

It is an amenable number.

10945489 is a deficient number, since it is larger than the sum of its proper divisors (1).

10945489 is an equidigital number, since it uses as much as digits as its factorization.

10945489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 10945489 is about 3308.3967416258. The cubic root of 10945489 is about 222.0300327305.

The spelling of 10945489 in words is "ten million, nine hundred forty-five thousand, four hundred eighty-nine".