4540047839 has 2 divisors, whose sum is σ = 4540047840. Its totient is φ = 4540047838.

The previous prime is 4540047833. The next prime is 4540047847. The reversal of 4540047839 is 9387400454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4540047839 - 2⁸ = 4540047583 is a prime.

It is a super-2 number, since 2×4540047839² = 41224068760817139842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4540047839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4540047833) 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, 2270023919 + 2270023920.

It is an arithmetic number, because the mean of its divisors is an integer number (2270023920).

Almost surely, 2^4540047839 is an apocalyptic number.

4540047839 is a deficient number, since it is larger than the sum of its proper divisors (1).

4540047839 is an equidigital number, since it uses as much as digits as its factorization.

4540047839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 4540047839 is about 67379.8771073382. The cubic root of 4540047839 is about 1655.8467615863.

It can be divided in two parts, 45400 and 47839, that added together give a palindrome (93239).

The spelling of 4540047839 in words is "four billion, five hundred forty million, forty-seven thousand, eight hundred thirty-nine".