549963831983 has 2 divisors, whose sum is σ = 549963831984. Its totient is φ = 549963831982.

The previous prime is 549963831973. The next prime is 549963831997. The reversal of 549963831983 is 389138369945.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 549963831983 - 2¹⁰ = 549963830959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549963831953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274981915991 + 274981915992.

It is an arithmetic number, because the mean of its divisors is an integer number (274981915992).

Almost surely, 2^549963831983 is an apocalyptic number.

549963831983 is a deficient number, since it is larger than the sum of its proper divisors (1).

549963831983 is an equidigital number, since it uses as much as digits as its factorization.

549963831983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151165440, while the sum is 68.

The spelling of 549963831983 in words is "five hundred forty-nine billion, nine hundred sixty-three million, eight hundred thirty-one thousand, nine hundred eighty-three".