5519867971 has 2 divisors, whose sum is σ = 5519867972. Its totient is φ = 5519867970.

The previous prime is 5519867891. The next prime is 5519867981. The reversal of 5519867971 is 1797689155.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5519867971 is a prime.

It is not a weakly prime, because it can be changed into another prime (5519867981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2759933985 + 2759933986.

It is an arithmetic number, because the mean of its divisors is an integer number (2759933986).

Almost surely, 2^5519867971 is an apocalyptic number.

5519867971 is a deficient number, since it is larger than the sum of its proper divisors (1).

5519867971 is an equidigital number, since it uses as much as digits as its factorization.

5519867971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4762800, while the sum is 58.

The square root of 5519867971 is about 74295.8139534119. The cubic root of 5519867971 is about 1767.2970940104.

The spelling of 5519867971 in words is "five billion, five hundred nineteen million, eight hundred sixty-seven thousand, nine hundred seventy-one".