4981771894 has 32 divisors (see below), whose sum is σ = 8520132096. Its totient is φ = 2162497920.

The previous prime is 4981771891. The next prime is 4981771903.

4981771894 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4981771891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319774 + ... + 334990.

It is an arithmetic number, because the mean of its divisors is an integer number (266254128).

Almost surely, 2^4981771894 is an apocalyptic number.

4981771894 is a deficient number, since it is larger than the sum of its proper divisors (3538360202).

4981771894 is a wasteful number, since it uses less digits than its factorization.

4981771894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15900.

The product of its digits is 4064256, while the sum is 58.

The square root of 4981771894 is about 70581.6682574165. The cubic root of 4981771894 is about 1707.8954415259.

The spelling of 4981771894 in words is "four billion, nine hundred eighty-one million, seven hundred seventy-one thousand, eight hundred ninety-four".