4314721217 has 4 divisors (see below), whose sum is σ = 4314855300. Its totient is φ = 4314587136.

The previous prime is 4314721207. The next prime is 4314721237. The reversal of 4314721217 is 7121274134.

4314721217 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1172446081 + 3142275136 = 34241^2 + 56056^2 .

It is a cyclic number.

It is not a de Polignac number, because 4314721217 - 2¹⁸ = 4314459073 is a prime.

It is a super-2 number, since 2×4314721217² = 37233638360859922178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4314721207) 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, 13409 + ... + 93857.

It is an arithmetic number, because the mean of its divisors is an integer number (1078713825).

It is a Poulet number, since it divides 2^4314721216-1.

Almost surely, 2^4314721217 is an apocalyptic number.

4314721217 is the 53633-rd pentagonal number.

It is an amenable number.

4314721217 is a deficient number, since it is larger than the sum of its proper divisors (134083).

4314721217 is an equidigital number, since it uses as much as digits as its factorization.

4314721217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134082.

The product of its digits is 9408, while the sum is 32.

The square root of 4314721217 is about 65686.5375628827. The cubic root of 4314721217 is about 1627.9869282043.

The spelling of 4314721217 in words is "four billion, three hundred fourteen million, seven hundred twenty-one thousand, two hundred seventeen".