4890978551 has 2 divisors, whose sum is σ = 4890978552. Its totient is φ = 4890978550.

The previous prime is 4890978529. The next prime is 4890978563. The reversal of 4890978551 is 1558790984.

4890978551 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 not a de Polignac number, because 4890978551 - 2⁶ = 4890978487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4890978571) 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, 2445489275 + 2445489276.

It is an arithmetic number, because the mean of its divisors is an integer number (2445489276).

Almost surely, 2^4890978551 is an apocalyptic number.

4890978551 is a deficient number, since it is larger than the sum of its proper divisors (1).

4890978551 is an equidigital number, since it uses as much as digits as its factorization.

4890978551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 56.

The square root of 4890978551 is about 69935.5313914179. The cubic root of 4890978551 is about 1697.4562360683.

The spelling of 4890978551 in words is "four billion, eight hundred ninety million, nine hundred seventy-eight thousand, five hundred fifty-one".