5043897774809 has 2 divisors, whose sum is σ = 5043897774810. Its totient is φ = 5043897774808.

The previous prime is 5043897774781. The next prime is 5043897774821. The reversal of 5043897774809 is 9084777983405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4786293817600 + 257603957209 = 2187760^2 + 507547^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5043897774809 is a prime.

It is not a weakly prime, because it can be changed into another prime (5043897774869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2521948887404 + 2521948887405.

It is an arithmetic number, because the mean of its divisors is an integer number (2521948887405).

Almost surely, 2^{5043897774809} is an apocalyptic number.

It is an amenable number.

5043897774809 is a deficient number, since it is larger than the sum of its proper divisors (1).

5043897774809 is an equidigital number, since it uses as much as digits as its factorization.

5043897774809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 426746880, while the sum is 71.

The spelling of 5043897774809 in words is "five trillion, forty-three billion, eight hundred ninety-seven million, seven hundred seventy-four thousand, eight hundred nine".