4908870991 has 2 divisors, whose sum is σ = 4908870992. Its totient is φ = 4908870990.

The previous prime is 4908870959. The next prime is 4908871031. The reversal of 4908870991 is 1990788094.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4908870991 - 2⁵ = 4908870959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4908879991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2454435495 + 2454435496.

It is an arithmetic number, because the mean of its divisors is an integer number (2454435496).

Almost surely, 2^4908870991 is an apocalyptic number.

4908870991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4908870991 is an equidigital number, since it uses as much as digits as its factorization.

4908870991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 55.

The square root of 4908870991 is about 70063.3355686125. The cubic root of 4908870991 is about 1699.5236255769.

The spelling of 4908870991 in words is "four billion, nine hundred eight million, eight hundred seventy thousand, nine hundred ninety-one".