540303199819 has 2 divisors, whose sum is σ = 540303199820. Its totient is φ = 540303199818.

The previous prime is 540303199801. The next prime is 540303199829. The reversal of 540303199819 is 918991303045.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540303199819 - 2³¹ = 538155716171 is a prime.

It is a super-2 number, since 2×540303199819² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (540303199829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270151599909 + 270151599910.

It is an arithmetic number, because the mean of its divisors is an integer number (270151599910).

Almost surely, 2^540303199819 is an apocalyptic number.

540303199819 is a deficient number, since it is larger than the sum of its proper divisors (1).

540303199819 is an equidigital number, since it uses as much as digits as its factorization.

540303199819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 52.

The spelling of 540303199819 in words is "five hundred forty billion, three hundred three million, one hundred ninety-nine thousand, eight hundred nineteen".