540742568473 has 4 divisors (see below), whose sum is σ = 543005089920. Its totient is φ = 538480047028.

The previous prime is 540742568459. The next prime is 540742568501. The reversal of 540742568473 is 374865247045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540742568473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540742566473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1131260365 + ... + 1131260842.

It is an arithmetic number, because the mean of its divisors is an integer number (135751272480).

Almost surely, 2^540742568473 is an apocalyptic number.

It is an amenable number.

540742568473 is a deficient number, since it is larger than the sum of its proper divisors (2262521447).

540742568473 is a wasteful number, since it uses less digits than its factorization.

540742568473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262521446.

The product of its (nonzero) digits is 22579200, while the sum is 55.

The spelling of 540742568473 in words is "five hundred forty billion, seven hundred forty-two million, five hundred sixty-eight thousand, four hundred seventy-three".