8343443438 has 24 divisors (see below), whose sum is σ = 14480364360. Its totient is φ = 3592868400.

The previous prime is 8343443411. The next prime is 8343443441.

8343443438 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×8343443438² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 902693 + ... + 911888.

It is an arithmetic number, because the mean of its divisors is an integer number (603348515).

Almost surely, 2^8343443438 is an apocalyptic number.

8343443438 is a deficient number, since it is larger than the sum of its proper divisors (6136920922).

8343443438 is a wasteful number, since it uses less digits than its factorization.

8343443438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814624 (or 1814613 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 44.

The square root of 8343443438 is about 91342.4514560453. The cubic root of 8343443438 is about 2028.2202231648.

The spelling of 8343443438 in words is "eight billion, three hundred forty-three million, four hundred forty-three thousand, four hundred thirty-eight".