4556556551 has 2 divisors, whose sum is σ = 4556556552. Its totient is φ = 4556556550.

The previous prime is 4556556541. The next prime is 4556556553. The reversal of 4556556551 is 1556556554.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4556556551 - 2¹⁰ = 4556555527 is a prime.

It is a super-2 number, since 2×4556556551² = 41524415204922031202, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 4556556553, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4556556496 and 4556556505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4556556553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2278278275 + 2278278276.

It is an arithmetic number, because the mean of its divisors is an integer number (2278278276).

Almost surely, 2^4556556551 is an apocalyptic number.

4556556551 is a deficient number, since it is larger than the sum of its proper divisors (1).

4556556551 is an equidigital number, since it uses as much as digits as its factorization.

4556556551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2250000, while the sum is 47.

The square root of 4556556551 is about 67502.2707099546. The cubic root of 4556556551 is about 1657.8513535886.

The spelling of 4556556551 in words is "four billion, five hundred fifty-six million, five hundred fifty-six thousand, five hundred fifty-one".