9667674021 has 4 divisors (see below), whose sum is σ = 12890232032. Its totient is φ = 6445116012.

The previous prime is 9667674011. The next prime is 9667674061. The reversal of 9667674021 is 1204767669.

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.

It is not a de Polignac number, because 9667674021 - 2⁵ = 9667673989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9667674011) 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, 1611279001 + ... + 1611279006.

It is an arithmetic number, because the mean of its divisors is an integer number (3222558008).

Almost surely, 2^9667674021 is an apocalyptic number.

It is an amenable number.

9667674021 is a deficient number, since it is larger than the sum of its proper divisors (3222558011).

9667674021 is a wasteful number, since it uses less digits than its factorization.

9667674021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222558010.

The product of its (nonzero) digits is 762048, while the sum is 48.

The square root of 9667674021 is about 98324.3307681268. The cubic root of 9667674021 is about 2130.2995031686.

The spelling of 9667674021 in words is "nine billion, six hundred sixty-seven million, six hundred seventy-four thousand, twenty-one".