540645542563 has 8 divisors (see below), whose sum is σ = 617885222240. Its totient is φ = 463407013440.

The previous prime is 540645542561. The next prime is 540645542587. The reversal of 540645542563 is 365245546045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 540645542563 - 2¹ = 540645542561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540645542561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1313473 + ... + 1675261.

It is an arithmetic number, because the mean of its divisors is an integer number (77235652780).

Almost surely, 2^540645542563 is an apocalyptic number.

540645542563 is a deficient number, since it is larger than the sum of its proper divisors (77239679677).

540645542563 is a wasteful number, since it uses less digits than its factorization.

540645542563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575277.

The product of its (nonzero) digits is 8640000, while the sum is 49.

The spelling of 540645542563 in words is "five hundred forty billion, six hundred forty-five million, five hundred forty-two thousand, five hundred sixty-three".