3642016471217 has 4 divisors (see below), whose sum is σ = 3642552620580. Its totient is φ = 3641480321856.

The previous prime is 3642016471213. The next prime is 3642016471273. The reversal of 3642016471217 is 7121746102463.

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 165548079376 + 3476468391841 = 406876^2 + 1864529^2 .

It is a cyclic number.

It is not a de Polignac number, because 3642016471217 - 2² = 3642016471213 is a prime.

It is a super-2 number, since 2×3642016471217² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3642016471213) 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, 268064492 + ... + 268078077.

It is an arithmetic number, because the mean of its divisors is an integer number (910638155145).

Almost surely, 2^{3642016471217} is an apocalyptic number.

It is an amenable number.

3642016471217 is a deficient number, since it is larger than the sum of its proper divisors (536149363).

3642016471217 is an equidigital number, since it uses as much as digits as its factorization.

3642016471217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536149362.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 3642016471217 in words is "three trillion, six hundred forty-two billion, sixteen million, four hundred seventy-one thousand, two hundred seventeen".