4993889497 has 2 divisors, whose sum is σ = 4993889498. Its totient is φ = 4993889496.

The previous prime is 4993889471. The next prime is 4993889531. The reversal of 4993889497 is 7949883994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4993400896 + 488601 = 70664^2 + 699^2 .

It is a cyclic number.

It is not a de Polignac number, because 4993889497 - 2¹¹ = 4993887449 is a prime.

It is not a weakly prime, because it can be changed into another prime (4993889447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2496944748 + 2496944749.

It is an arithmetic number, because the mean of its divisors is an integer number (2496944749).

Almost surely, 2^4993889497 is an apocalyptic number.

It is an amenable number.

4993889497 is a deficient number, since it is larger than the sum of its proper divisors (1).

4993889497 is an equidigital number, since it uses as much as digits as its factorization.

4993889497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141087744, while the sum is 70.

The square root of 4993889497 is about 70667.4571284407. The cubic root of 4993889497 is about 1709.2790751737.

The spelling of 4993889497 in words is "four billion, nine hundred ninety-three million, eight hundred eighty-nine thousand, four hundred ninety-seven".