4090518539 has 2 divisors, whose sum is σ = 4090518540. Its totient is φ = 4090518538.

The previous prime is 4090518533. The next prime is 4090518547. The reversal of 4090518539 is 9358150904.

It is a happy number.

4090518539 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4090518539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4090518539.

It is not a weakly prime, because it can be changed into another prime (4090518533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2045259269 + 2045259270.

It is an arithmetic number, because the mean of its divisors is an integer number (2045259270).

Almost surely, 2^4090518539 is an apocalyptic number.

4090518539 is a deficient number, since it is larger than the sum of its proper divisors (1).

4090518539 is an equidigital number, since it uses as much as digits as its factorization.

4090518539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 4090518539 is about 63957.1617490958. The cubic root of 4090518539 is about 1599.2859494788.

The spelling of 4090518539 in words is "four billion, ninety million, five hundred eighteen thousand, five hundred thirty-nine".