4911791885 has 32 divisors (see below), whose sum is σ = 7913832192. Its totient is φ = 2826362880.

The previous prime is 4911791881. The next prime is 4911791891. The reversal of 4911791885 is 5881971194.

It is a happy number.

It is not a de Polignac number, because 4911791885 - 2² = 4911791881 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4911791881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 485684 + ... + 495693.

It is an arithmetic number, because the mean of its divisors is an integer number (247307256).

Almost surely, 2^4911791885 is an apocalyptic number.

It is an amenable number.

4911791885 is a deficient number, since it is larger than the sum of its proper divisors (3002040307).

4911791885 is a wasteful number, since it uses less digits than its factorization.

4911791885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981413.

The product of its digits is 725760, while the sum is 53.

The square root of 4911791885 is about 70084.1771372112. The cubic root of 4911791885 is about 1699.8606442861.

The spelling of 4911791885 in words is "four billion, nine hundred eleven million, seven hundred ninety-one thousand, eight hundred eighty-five".