6476142217 has 2 divisors, whose sum is σ = 6476142218. Its totient is φ = 6476142216.

The previous prime is 6476142199. The next prime is 6476142263. The reversal of 6476142217 is 7122416746.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6313732681 + 162409536 = 79459^2 + 12744^2 .

It is a cyclic number.

It is not a de Polignac number, because 6476142217 - 2²⁷ = 6341924489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6476142217.

It is not a weakly prime, because it can be changed into another prime (6476142317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3238071108 + 3238071109.

It is an arithmetic number, because the mean of its divisors is an integer number (3238071109).

Almost surely, 2^6476142217 is an apocalyptic number.

It is an amenable number.

6476142217 is a deficient number, since it is larger than the sum of its proper divisors (1).

6476142217 is an equidigital number, since it uses as much as digits as its factorization.

6476142217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 40.

The square root of 6476142217 is about 80474.4817752808. The cubic root of 6476142217 is about 1863.9694601063.

The spelling of 6476142217 in words is "six billion, four hundred seventy-six million, one hundred forty-two thousand, two hundred seventeen".