540437342617 has 4 divisors (see below), whose sum is σ = 540457336336. Its totient is φ = 540417348900.

The previous prime is 540437342611. The next prime is 540437342639. The reversal of 540437342617 is 716243734045.

It is a happy number.

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 not a de Polignac number, because 540437342617 - 2³ = 540437342609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540437342611) 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, 9956259 + ... + 10010392.

It is an arithmetic number, because the mean of its divisors is an integer number (135114334084).

Almost surely, 2^540437342617 is an apocalyptic number.

It is an amenable number.

540437342617 is a deficient number, since it is larger than the sum of its proper divisors (19993719).

540437342617 is a wasteful number, since it uses less digits than its factorization.

540437342617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19993718.

The product of its (nonzero) digits is 1693440, while the sum is 46.

The spelling of 540437342617 in words is "five hundred forty billion, four hundred thirty-seven million, three hundred forty-two thousand, six hundred seventeen".