34121543783 has 4 divisors (see below), whose sum is σ = 34122136488. Its totient is φ = 34120951080.

The previous prime is 34121543779. The next prime is 34121543803. The reversal of 34121543783 is 38734512143.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38734512143 = 359 ⋅107895577.

It is a cyclic number.

It is not a de Polignac number, because 34121543783 - 2² = 34121543779 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34121543783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34121543723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199433 + ... + 328658.

It is an arithmetic number, because the mean of its divisors is an integer number (8530534122).

Almost surely, 2^34121543783 is an apocalyptic number.

34121543783 is a deficient number, since it is larger than the sum of its proper divisors (592705).

34121543783 is an equidigital number, since it uses as much as digits as its factorization.

34121543783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592704.

The product of its digits is 241920, while the sum is 41.

The spelling of 34121543783 in words is "thirty-four billion, one hundred twenty-one million, five hundred forty-three thousand, seven hundred eighty-three".