4908201985 has 4 divisors (see below), whose sum is σ = 5889842388. Its totient is φ = 3926561584.

The previous prime is 4908201973. The next prime is 4908201989. The reversal of 4908201985 is 5891028094.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3914754624 + 993447361 = 62568^2 + 31519^2 .

It is a cyclic number.

It is not a de Polignac number, because 4908201985 - 2⁵ = 4908201953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4908201989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490820194 + ... + 490820203.

It is an arithmetic number, because the mean of its divisors is an integer number (1472460597).

Almost surely, 2^4908201985 is an apocalyptic number.

It is an amenable number.

4908201985 is a deficient number, since it is larger than the sum of its proper divisors (981640403).

4908201985 is an equidigital number, since it uses as much as digits as its factorization.

4908201985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981640402.

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 4908201985 is about 70058.5611114017. The cubic root of 4908201985 is about 1699.4464154839.

The spelling of 4908201985 in words is "four billion, nine hundred eight million, two hundred one thousand, nine hundred eighty-five".