4215204349 has 4 divisors (see below), whose sum is σ = 4463157564. Its totient is φ = 3967251136.

The previous prime is 4215204347. The next prime is 4215204379. The reversal of 4215204349 is 9434025124.

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 1202841124 + 3012363225 = 34682^2 + 54885^2 .

It is a cyclic number.

It is not a de Polignac number, because 4215204349 - 2¹ = 4215204347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4215204347) 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, 123976582 + ... + 123976615.

It is an arithmetic number, because the mean of its divisors is an integer number (1115789391).

Almost surely, 2^4215204349 is an apocalyptic number.

It is an amenable number.

4215204349 is a deficient number, since it is larger than the sum of its proper divisors (247953215).

4215204349 is a wasteful number, since it uses less digits than its factorization.

4215204349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247953214.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 4215204349 is about 64924.6051123917. The cubic root of 4215204349 is about 1615.3732166620.

The spelling of 4215204349 in words is "four billion, two hundred fifteen million, two hundred four thousand, three hundred forty-nine".