540721753743 has 4 divisors (see below), whose sum is σ = 720962338328. Its totient is φ = 360481169160.

The previous prime is 540721753739. The next prime is 540721753753. The reversal of 540721753743 is 347357127045.

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

It is not a de Polignac number, because 540721753743 - 2² = 540721753739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540721753692 and 540721753701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540721753753) 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, 90120292288 + ... + 90120292293.

It is an arithmetic number, because the mean of its divisors is an integer number (180240584582).

Almost surely, 2^540721753743 is an apocalyptic number.

540721753743 is a deficient number, since it is larger than the sum of its proper divisors (180240584585).

540721753743 is a wasteful number, since it uses less digits than its factorization.

540721753743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180240584584.

The product of its (nonzero) digits is 2469600, while the sum is 48.

The spelling of 540721753743 in words is "five hundred forty billion, seven hundred twenty-one million, seven hundred fifty-three thousand, seven hundred forty-three".