9040681523 has 2 divisors, whose sum is σ = 9040681524. Its totient is φ = 9040681522.

The previous prime is 9040681519. The next prime is 9040681543. The reversal of 9040681523 is 3251860409.

It is a happy number.

9040681523 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9040681523 - 2² = 9040681519 is a prime.

It is not a weakly prime, because it can be changed into another prime (9040681543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4520340761 + 4520340762.

It is an arithmetic number, because the mean of its divisors is an integer number (4520340762).

Almost surely, 2^9040681523 is an apocalyptic number.

9040681523 is a deficient number, since it is larger than the sum of its proper divisors (1).

9040681523 is an equidigital number, since it uses as much as digits as its factorization.

9040681523 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 38.

The square root of 9040681523 is about 95082.4985105040. The cubic root of 9040681523 is about 2083.2132229307.

The spelling of 9040681523 in words is "nine billion, forty million, six hundred eighty-one thousand, five hundred twenty-three".