3663142217 has 4 divisors (see below), whose sum is σ = 4186448256. Its totient is φ = 3139836180.

The previous prime is 3663142211. The next prime is 3663142229. The reversal of 3663142217 is 7122413663.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7122413663 = 19 ⋅374863877.

It is a cyclic number.

It is not a de Polignac number, because 3663142217 - 2¹⁰ = 3663141193 is a prime.

It is a super-2 number, since 2×3663142217² = 26837221803935350178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3663142211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261653009 + ... + 261653022.

It is an arithmetic number, because the mean of its divisors is an integer number (1046612064).

Almost surely, 2^3663142217 is an apocalyptic number.

It is an amenable number.

3663142217 is a deficient number, since it is larger than the sum of its proper divisors (523306039).

3663142217 is an equidigital number, since it uses as much as digits as its factorization.

3663142217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523306038.

The product of its digits is 36288, while the sum is 35.

The square root of 3663142217 is about 60523.8978999205. The cubic root of 3663142217 is about 1541.5274406351.

The spelling of 3663142217 in words is "three billion, six hundred sixty-three million, one hundred forty-two thousand, two hundred seventeen".