540006646633 has 2 divisors, whose sum is σ = 540006646634. Its totient is φ = 540006646632.

The previous prime is 540006646591. The next prime is 540006646639. The reversal of 540006646633 is 336646600045.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 499973439744 + 40033206889 = 707088^2 + 200083^2 .

It is a cyclic number.

It is not a de Polignac number, because 540006646633 - 2²⁵ = 539973092201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 540006646633.

It is not a weakly prime, because it can be changed into another prime (540006646639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270003323316 + 270003323317.

It is an arithmetic number, because the mean of its divisors is an integer number (270003323317).

Almost surely, 2^540006646633 is an apocalyptic number.

It is an amenable number.

540006646633 is a deficient number, since it is larger than the sum of its proper divisors (1).

540006646633 is an equidigital number, since it uses as much as digits as its factorization.

540006646633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 43.

The spelling of 540006646633 in words is "five hundred forty billion, six million, six hundred forty-six thousand, six hundred thirty-three".