4942554989 has 2 divisors, whose sum is σ = 4942554990. Its totient is φ = 4942554988.

The previous prime is 4942554923. The next prime is 4942554997. The reversal of 4942554989 is 9894552494.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4370532100 + 572022889 = 66110^2 + 23917^2 .

It is a cyclic number.

It is not a de Polignac number, because 4942554989 - 2³² = 647587693 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4942554689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2471277494 + 2471277495.

It is an arithmetic number, because the mean of its divisors is an integer number (2471277495).

Almost surely, 2^4942554989 is an apocalyptic number.

It is an amenable number.

4942554989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4942554989 is an equidigital number, since it uses as much as digits as its factorization.

4942554989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18662400, while the sum is 59.

The square root of 4942554989 is about 70303.3070985996. The cubic root of 4942554989 is about 1703.4020671182.

The spelling of 4942554989 in words is "four billion, nine hundred forty-two million, five hundred fifty-four thousand, nine hundred eighty-nine".