8343438343438 has 32 divisors (see below), whose sum is σ = 13960371161088. Its totient is φ = 3707259655200.

The previous prime is 8343438343417. The next prime is 8343438343441.

It is a happy number.

8343438343438 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×8343438343438² (a number of 27 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4065270 + ... + 5763097.

It is an arithmetic number, because the mean of its divisors is an integer number (436261598784).

Almost surely, 2^{8343438343438} is an apocalyptic number.

8343438343438 is a deficient number, since it is larger than the sum of its proper divisors (5616932817650).

8343438343438 is a wasteful number, since it uses less digits than its factorization.

8343438343438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9829248.

The product of its digits is 95551488, while the sum is 58.

The spelling of 8343438343438 in words is "eight trillion, three hundred forty-three billion, four hundred thirty-eight million, three hundred forty-three thousand, four hundred thirty-eight".