34812021843 has 6 divisors (see below), whose sum is σ = 50284031564. Its totient is φ = 23208014556.

The previous prime is 34812021833. The next prime is 34812021869.

It is a happy number.

34812021843 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 34812021843 - 2²⁸ = 34543586387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34812021798 and 34812021807.

It is not an unprimeable number, because it can be changed into a prime (34812021833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1934001205 + ... + 1934001222.

Almost surely, 2^34812021843 is an apocalyptic number.

34812021843 is a deficient number, since it is larger than the sum of its proper divisors (15472009721).

34812021843 is a wasteful number, since it uses less digits than its factorization.

34812021843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868002433 (or 3868002430 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

It can be divided in two parts, 348120 and 21843, that added together give a palindrome (369963).

The spelling of 34812021843 in words is "thirty-four billion, eight hundred twelve million, twenty-one thousand, eight hundred forty-three".