540169209247 has 2 divisors, whose sum is σ = 540169209248. Its totient is φ = 540169209246.

The previous prime is 540169209211. The next prime is 540169209301. The reversal of 540169209247 is 742902961045.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540169209247 - 2¹⁵ = 540169176479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 540169209247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540169209947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270084604623 + 270084604624.

It is an arithmetic number, because the mean of its divisors is an integer number (270084604624).

Almost surely, 2^540169209247 is an apocalyptic number.

540169209247 is a deficient number, since it is larger than the sum of its proper divisors (1).

540169209247 is an equidigital number, since it uses as much as digits as its factorization.

540169209247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 540169209247 in words is "five hundred forty billion, one hundred sixty-nine million, two hundred nine thousand, two hundred forty-seven".