8601990219 has 6 divisors (see below), whose sum is σ = 12425096996. Its totient is φ = 5734660140.

The previous prime is 8601990211. The next prime is 8601990227. The reversal of 8601990219 is 9120991068.

It is an interprime number because it is at equal distance from previous prime (8601990211) and next prime (8601990227).

It is not a de Polignac number, because 8601990219 - 2³ = 8601990211 is a prime.

It is a super-2 number, since 2×8601990219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8601990211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 477888337 + ... + 477888354.

Almost surely, 2^8601990219 is an apocalyptic number.

8601990219 is a deficient number, since it is larger than the sum of its proper divisors (3823106777).

8601990219 is a wasteful number, since it uses less digits than its factorization.

8601990219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955776697 (or 955776694 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 45.

The square root of 8601990219 is about 92746.9148759138. The cubic root of 8601990219 is about 2048.9576472863.

The spelling of 8601990219 in words is "eight billion, six hundred one million, nine hundred ninety thousand, two hundred nineteen".