34215202217 has 6 divisors (see below), whose sum is σ = 39801357738. Its totient is φ = 29327316144.

The previous prime is 34215202183. The next prime is 34215202277. The reversal of 34215202217 is 71220251243.

It can be written as a sum of positive squares in only one way, i.e., 17683414441 + 16531787776 = 132979^2 + 128576^2 .

It is not a de Polignac number, because 34215202217 - 2³⁰ = 33141460393 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 34215202217.

It is not an unprimeable number, because it can be changed into a prime (34215202277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 349134668 + ... + 349134765.

It is an arithmetic number, because the mean of its divisors is an integer number (6633559623).

Almost surely, 2^34215202217 is an apocalyptic number.

It is an amenable number.

34215202217 is a deficient number, since it is larger than the sum of its proper divisors (5586155521).

34215202217 is an equidigital number, since it uses as much as digits as its factorization.

34215202217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698269447 (or 698269440 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The spelling of 34215202217 in words is "thirty-four billion, two hundred fifteen million, two hundred two thousand, two hundred seventeen".