5540868748973 has 2 divisors, whose sum is σ = 5540868748974. Its totient is φ = 5540868748972.

The previous prime is 5540868748963. The next prime is 5540868749027. The reversal of 5540868748973 is 3798478680455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4723224196804 + 817644552169 = 2173298^2 + 904237^2 .

It is a cyclic number.

It is not a de Polignac number, because 5540868748973 - 2⁸ = 5540868748717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5540868748973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5540868748963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2770434374486 + 2770434374487.

It is an arithmetic number, because the mean of its divisors is an integer number (2770434374487).

Almost surely, 2^{5540868748973} is an apocalyptic number.

It is an amenable number.

5540868748973 is a deficient number, since it is larger than the sum of its proper divisors (1).

5540868748973 is an equidigital number, since it uses as much as digits as its factorization.

5540868748973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1625702400, while the sum is 74.

The spelling of 5540868748973 in words is "five trillion, five hundred forty billion, eight hundred sixty-eight million, seven hundred forty-eight thousand, nine hundred seventy-three".