4997485854943 has 2 divisors, whose sum is σ = 4997485854944. Its totient is φ = 4997485854942.

The previous prime is 4997485854923. The next prime is 4997485854971. The reversal of 4997485854943 is 3494585847994.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4997485854943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4997485854913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2498742927471 + 2498742927472.

It is an arithmetic number, because the mean of its divisors is an integer number (2498742927472).

Almost surely, 2^{4997485854943} is an apocalyptic number.

4997485854943 is a deficient number, since it is larger than the sum of its proper divisors (1).

4997485854943 is an equidigital number, since it uses as much as digits as its factorization.

4997485854943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6270566400, while the sum is 79.

The spelling of 4997485854943 in words is "four trillion, nine hundred ninety-seven billion, four hundred eighty-five million, eight hundred fifty-four thousand, nine hundred forty-three".