4989669894 has 24 divisors (see below), whose sum is σ = 11793765672. Its totient is φ = 1512021120.

The previous prime is 4989669877. The next prime is 4989669959.

It is a happy number.

4989669894 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12599979 + ... + 12600374.

It is an arithmetic number, because the mean of its divisors is an integer number (491406903).

Almost surely, 2^4989669894 is an apocalyptic number.

4989669894 is an abundant number, since it is smaller than the sum of its proper divisors (6804095778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4989669894 is a wasteful number, since it uses less digits than its factorization.

4989669894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25200372 (or 25200369 counting only the distinct ones).

The product of its digits is 241864704, while the sum is 72.

The square root of 4989669894 is about 70637.5954715334. The cubic root of 4989669894 is about 1708.7975192326.

The spelling of 4989669894 in words is "four billion, nine hundred eighty-nine million, six hundred sixty-nine thousand, eight hundred ninety-four".