904023541489 has 2 divisors, whose sum is σ = 904023541490. Its totient is φ = 904023541488.

The previous prime is 904023541483. The next prime is 904023541529. The reversal of 904023541489 is 984145320409.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 728385437025 + 175638104464 = 853455^2 + 419092^2 .

It is a cyclic number.

It is not a de Polignac number, because 904023541489 - 2³ = 904023541481 is a prime.

It is not a weakly prime, because it can be changed into another prime (904023541481) 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, 452011770744 + 452011770745.

It is an arithmetic number, because the mean of its divisors is an integer number (452011770745).

Almost surely, 2^904023541489 is an apocalyptic number.

It is an amenable number.

904023541489 is a deficient number, since it is larger than the sum of its proper divisors (1).

904023541489 is an equidigital number, since it uses as much as digits as its factorization.

904023541489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 904023541489 in words is "nine hundred four billion, twenty-three million, five hundred forty-one thousand, four hundred eighty-nine".