540053695639 has 2 divisors, whose sum is σ = 540053695640. Its totient is φ = 540053695638.

The previous prime is 540053695631. The next prime is 540053695693. The reversal of 540053695639 is 936596350045.

Together with next prime (540053695693) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540053695639 - 2³ = 540053695631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 540053695639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540053695631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270026847819 + 270026847820.

It is an arithmetic number, because the mean of its divisors is an integer number (270026847820).

Almost surely, 2^540053695639 is an apocalyptic number.

540053695639 is a deficient number, since it is larger than the sum of its proper divisors (1).

540053695639 is an equidigital number, since it uses as much as digits as its factorization.

540053695639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122000, while the sum is 55.

The spelling of 540053695639 in words is "five hundred forty billion, fifty-three million, six hundred ninety-five thousand, six hundred thirty-nine".