540722923459 has 4 divisors (see below), whose sum is σ = 541071104616. Its totient is φ = 540374742304.

The previous prime is 540722923453. The next prime is 540722923469. The reversal of 540722923459 is 954329227045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540722923459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540722923453) 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, 174088249 + ... + 174091354.

It is an arithmetic number, because the mean of its divisors is an integer number (135267776154).

Almost surely, 2^540722923459 is an apocalyptic number.

540722923459 is a deficient number, since it is larger than the sum of its proper divisors (348181157).

540722923459 is a wasteful number, since it uses less digits than its factorization.

540722923459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348181156.

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 540722923459 in words is "five hundred forty billion, seven hundred twenty-two million, nine hundred twenty-three thousand, four hundred fifty-nine".