8211289941 has 54 divisors (see below), whose sum is σ = 12604516470. Its totient is φ = 5145023520.

The previous prime is 8211289937. The next prime is 8211289949. The reversal of 8211289941 is 1499821128.

It can be written as a sum of positive squares in only one way, i.e., 7078698225 + 1132591716 = 84135^2 + 33654^2 .

It is not a de Polignac number, because 8211289941 - 2² = 8211289937 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8211289949) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 103940340 + ... + 103940418.

Almost surely, 2^8211289941 is an apocalyptic number.

It is an amenable number.

8211289941 is a deficient number, since it is larger than the sum of its proper divisors (4393226529).

8211289941 is an equidigital number, since it uses as much as digits as its factorization.

8211289941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 182 counting only the distinct ones).

The product of its digits is 82944, while the sum is 45.

The square root of 8211289941 is about 90616.1682096523. The cubic root of 8211289941 is about 2017.4547183307.

The spelling of 8211289941 in words is "eight billion, two hundred eleven million, two hundred eighty-nine thousand, nine hundred forty-one".