4897661983 has 2 divisors, whose sum is σ = 4897661984. Its totient is φ = 4897661982.

The previous prime is 4897661947. The next prime is 4897661999. The reversal of 4897661983 is 3891667984.

4897661983 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4897661983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4897668983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2448830991 + 2448830992.

It is an arithmetic number, because the mean of its divisors is an integer number (2448830992).

Almost surely, 2^4897661983 is an apocalyptic number.

4897661983 is a deficient number, since it is larger than the sum of its proper divisors (1).

4897661983 is an equidigital number, since it uses as much as digits as its factorization.

4897661983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15676416, while the sum is 61.

The square root of 4897661983 is about 69983.2978859956. The cubic root of 4897661983 is about 1698.2290650380.

The spelling of 4897661983 in words is "four billion, eight hundred ninety-seven million, six hundred sixty-one thousand, nine hundred eighty-three".