9006213867 has 12 divisors (see below), whose sum is σ = 13968821736. Its totient is φ = 5146407840.

The previous prime is 9006213863. The next prime is 9006213869. The reversal of 9006213867 is 7683126009.

It is a happy number.

It is not a de Polignac number, because 9006213867 - 2² = 9006213863 is a prime.

It is a super-2 number, since 2×9006213867² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9006213863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30633234 + ... + 30633527.

It is an arithmetic number, because the mean of its divisors is an integer number (1164068478).

Almost surely, 2^9006213867 is an apocalyptic number.

9006213867 is a deficient number, since it is larger than the sum of its proper divisors (4962607869).

9006213867 is a wasteful number, since it uses less digits than its factorization.

9006213867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61266778 (or 61266771 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 9006213867 is about 94901.0741087792. The cubic root of 9006213867 is about 2080.5624301142.

The spelling of 9006213867 in words is "nine billion, six million, two hundred thirteen thousand, eight hundred sixty-seven".