4791978553 has 2 divisors, whose sum is σ = 4791978554. Its totient is φ = 4791978552.

The previous prime is 4791978511. The next prime is 4791978593. The reversal of 4791978553 is 3558791974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2604265024 + 2187713529 = 51032^2 + 46773^2 .

It is a cyclic number.

It is not a de Polignac number, because 4791978553 - 2¹³ = 4791970361 is a prime.

It is not a weakly prime, because it can be changed into another prime (4791978593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2395989276 + 2395989277.

It is an arithmetic number, because the mean of its divisors is an integer number (2395989277).

Almost surely, 2^4791978553 is an apocalyptic number.

It is an amenable number.

4791978553 is a deficient number, since it is larger than the sum of its proper divisors (1).

4791978553 is an equidigital number, since it uses as much as digits as its factorization.

4791978553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9525600, while the sum is 58.

The square root of 4791978553 is about 69224.1182897984. The cubic root of 4791978553 is about 1685.9251469033.

The spelling of 4791978553 in words is "four billion, seven hundred ninety-one million, nine hundred seventy-eight thousand, five hundred fifty-three".