540305033549 has 4 divisors (see below), whose sum is σ = 540594432864. Its totient is φ = 540015634236.

The previous prime is 540305033533. The next prime is 540305033557. The reversal of 540305033549 is 945330503045.

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, and also an emirpimes, since its reverse is a distinct semiprime: 945330503045 = 5 ⋅189066100609.

It is a cyclic number.

It is not a de Polignac number, because 540305033549 - 2⁴ = 540305033533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540305033599) 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, 144696857 + ... + 144700590.

It is an arithmetic number, because the mean of its divisors is an integer number (135148608216).

Almost surely, 2^540305033549 is an apocalyptic number.

It is an amenable number.

540305033549 is a deficient number, since it is larger than the sum of its proper divisors (289399315).

540305033549 is a wasteful number, since it uses less digits than its factorization.

540305033549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289399314.

The product of its (nonzero) digits is 486000, while the sum is 41.

The spelling of 540305033549 in words is "five hundred forty billion, three hundred five million, thirty-three thousand, five hundred forty-nine".