540303265393 has 2 divisors, whose sum is σ = 540303265394. Its totient is φ = 540303265392.

The previous prime is 540303265309. The next prime is 540303265433. The reversal of 540303265393 is 393562303045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 406104131169 + 134199134224 = 637263^2 + 366332^2 .

It is a cyclic number.

It is not a de Polignac number, because 540303265393 - 2²¹ = 540301168241 is a prime.

It is not a weakly prime, because it can be changed into another prime (540303215393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270151632696 + 270151632697.

It is an arithmetic number, because the mean of its divisors is an integer number (270151632697).

Almost surely, 2^540303265393 is an apocalyptic number.

It is an amenable number.

540303265393 is a deficient number, since it is larger than the sum of its proper divisors (1).

540303265393 is an equidigital number, since it uses as much as digits as its factorization.

540303265393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 874800, while the sum is 43.

The spelling of 540303265393 in words is "five hundred forty billion, three hundred three million, two hundred sixty-five thousand, three hundred ninety-three".