7471982811 has 4 divisors (see below), whose sum is σ = 9962643752. Its totient is φ = 4981321872.

The previous prime is 7471982801. The next prime is 7471982821. The reversal of 7471982811 is 1182891747.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1182891747 = 3 ⋅394297249.

It is an interprime number because it is at equal distance from previous prime (7471982801) and next prime (7471982821).

It is not a de Polignac number, because 7471982811 - 2⁶ = 7471982747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7471982801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1245330466 + ... + 1245330471.

It is an arithmetic number, because the mean of its divisors is an integer number (2490660938).

Almost surely, 2^7471982811 is an apocalyptic number.

7471982811 is a deficient number, since it is larger than the sum of its proper divisors (2490660941).

7471982811 is a wasteful number, since it uses less digits than its factorization.

7471982811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490660940.

The product of its digits is 225792, while the sum is 48.

The square root of 7471982811 is about 86440.6317133326. The cubic root of 7471982811 is about 1954.9933661468.

The spelling of 7471982811 in words is "seven billion, four hundred seventy-one million, nine hundred eighty-two thousand, eight hundred eleven".