4556989061 has 2 divisors, whose sum is σ = 4556989062. Its totient is φ = 4556989060.

The previous prime is 4556989039. The next prime is 4556989091. The reversal of 4556989061 is 1609896554.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4461438436 + 95550625 = 66794^2 + 9775^2 .

It is a cyclic number.

It is not a de Polignac number, because 4556989061 - 2³⁰ = 3483247237 is a prime.

It is a super-2 number, since 2×4556989061² = 41532298604147323442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4556988994 and 4556989012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4556989091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2278494530 + 2278494531.

It is an arithmetic number, because the mean of its divisors is an integer number (2278494531).

Almost surely, 2^4556989061 is an apocalyptic number.

It is an amenable number.

4556989061 is a deficient number, since it is larger than the sum of its proper divisors (1).

4556989061 is an equidigital number, since it uses as much as digits as its factorization.

4556989061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The square root of 4556989061 is about 67505.4743039407. The cubic root of 4556989061 is about 1657.9038065462.

The spelling of 4556989061 in words is "four billion, five hundred fifty-six million, nine hundred eighty-nine thousand, sixty-one".