4891444722 has 12 divisors (see below), whose sum is σ = 10598130270. Its totient is φ = 1630481568.

The previous prime is 4891444711. The next prime is 4891444739. The reversal of 4891444722 is 2274441984.

4891444722 is a `hidden beast` number, since 489 + 144 + 4 + 7 + 22 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4851261801 + 40182921 = 69651^2 + 6339^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135873447 + ... + 135873482.

Almost surely, 2^4891444722 is an apocalyptic number.

4891444722 is an abundant number, since it is smaller than the sum of its proper divisors (5706685548).

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

4891444722 is a wasteful number, since it uses less digits than its factorization.

4891444722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271746937 (or 271746934 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 4891444722 is about 69938.8641743630. The cubic root of 4891444722 is about 1697.5101639087.

It can be divided in two parts, 48914 and 44722, that added together give a square (93636 = 306²).

The spelling of 4891444722 in words is "four billion, eight hundred ninety-one million, four hundred forty-four thousand, seven hundred twenty-two".