5919216881 has 2 divisors, whose sum is σ = 5919216882. Its totient is φ = 5919216880.

The previous prime is 5919216869. The next prime is 5919216937. The reversal of 5919216881 is 1886129195.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3007535281 + 2911681600 = 54841^2 + 53960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5919216881 is a prime.

It is a super-2 number, since 2×5919216881² = 70074256968630736322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5919216581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2959608440 + 2959608441.

It is an arithmetic number, because the mean of its divisors is an integer number (2959608441).

Almost surely, 2^5919216881 is an apocalyptic number.

It is an amenable number.

5919216881 is a deficient number, since it is larger than the sum of its proper divisors (1).

5919216881 is an equidigital number, since it uses as much as digits as its factorization.

5919216881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 50.

The square root of 5919216881 is about 76936.4470261007. The cubic root of 5919216881 is about 1808.9285683970.

The spelling of 5919216881 in words is "five billion, nine hundred nineteen million, two hundred sixteen thousand, eight hundred eighty-one".