4931849091 has 24 divisors (see below), whose sum is σ = 7128016896. Its totient is φ = 3031797600.

The previous prime is 4931849081. The next prime is 4931849159. The reversal of 4931849091 is 1909481394.

It is not a de Polignac number, because 4931849091 - 2¹⁹ = 4931324803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4931849091.

It is not an unprimeable number, because it can be changed into a prime (4931849081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 534366 + ... + 543516.

It is an arithmetic number, because the mean of its divisors is an integer number (297000704).

Almost surely, 2^4931849091 is an apocalyptic number.

4931849091 is a deficient number, since it is larger than the sum of its proper divisors (2196167805).

4931849091 is a wasteful number, since it uses less digits than its factorization.

4931849091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10243 (or 10230 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 4931849091 is about 70227.1250372675. The cubic root of 4931849091 is about 1702.1712845367.

The spelling of 4931849091 in words is "four billion, nine hundred thirty-one million, eight hundred forty-nine thousand, ninety-one".