8043421311 has 16 divisors (see below), whose sum is σ = 11917681920. Its totient is φ = 5361604920.

The previous prime is 8043421291. The next prime is 8043421319. The reversal of 8043421311 is 1131243408.

8043421311 is a `hidden beast` number, since 8 + 0 + 4 + 342 + 1 + 311 = 666.

It is not a de Polignac number, because 8043421311 - 2¹⁵ = 8043388543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8043421319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294256 + ... + 320426.

It is an arithmetic number, because the mean of its divisors is an integer number (744855120).

Almost surely, 2^8043421311 is an apocalyptic number.

8043421311 is a deficient number, since it is larger than the sum of its proper divisors (3874260609).

8043421311 is a wasteful number, since it uses less digits than its factorization.

8043421311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37563 (or 37557 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 8043421311 is about 89685.1231308738. The cubic root of 8043421311 is about 2003.6119156891.

Adding to 8043421311 its reverse (1131243408), we get a palindrome (9174664719).

The spelling of 8043421311 in words is "eight billion, forty-three million, four hundred twenty-one thousand, three hundred eleven".