34021220329 has 4 divisors (see below), whose sum is σ = 34197496276. Its totient is φ = 33844944384.

The previous prime is 34021220281. The next prime is 34021220357. The reversal of 34021220329 is 92302212043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23189198400 + 10832021929 = 152280^2 + 104077^2 .

It is a cyclic number.

It is not a de Polignac number, because 34021220329 - 2¹¹ = 34021218281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34021220297 and 34021220306.

It is not an unprimeable number, because it can be changed into a prime (34021220729) 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, 88137684 + ... + 88138069.

It is an arithmetic number, because the mean of its divisors is an integer number (8549374069).

Almost surely, 2^34021220329 is an apocalyptic number.

It is an amenable number.

34021220329 is a deficient number, since it is larger than the sum of its proper divisors (176275947).

34021220329 is a wasteful number, since it uses less digits than its factorization.

34021220329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176275946.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 34021220329 in words is "thirty-four billion, twenty-one million, two hundred twenty thousand, three hundred twenty-nine".