4931889551 has 2 divisors, whose sum is σ = 4931889552. Its totient is φ = 4931889550.

The previous prime is 4931889511. The next prime is 4931889577. The reversal of 4931889551 is 1559881394.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4931889551 - 2²² = 4927695247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4931889493 and 4931889502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4931889511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2465944775 + 2465944776.

It is an arithmetic number, because the mean of its divisors is an integer number (2465944776).

Almost surely, 2^4931889551 is an apocalyptic number.

4931889551 is a deficient number, since it is larger than the sum of its proper divisors (1).

4931889551 is an equidigital number, since it uses as much as digits as its factorization.

4931889551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 53.

The square root of 4931889551 is about 70227.4131020074. The cubic root of 4931889551 is about 1702.1759392927.

The spelling of 4931889551 in words is "four billion, nine hundred thirty-one million, eight hundred eighty-nine thousand, five hundred fifty-one".