9213694851 has 4 divisors (see below), whose sum is σ = 12284926472. Its totient is φ = 6142463232.

The previous prime is 9213694769. The next prime is 9213694879. The reversal of 9213694851 is 1584963129.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 9213694851 - 2²⁵ = 9180140419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9213694851.

It is not an unprimeable number, because it can be changed into a prime (9213694751) 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, 1535615806 + ... + 1535615811.

It is an arithmetic number, because the mean of its divisors is an integer number (3071231618).

Almost surely, 2^9213694851 is an apocalyptic number.

9213694851 is a deficient number, since it is larger than the sum of its proper divisors (3071231621).

9213694851 is a wasteful number, since it uses less digits than its factorization.

9213694851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071231620.

The product of its digits is 466560, while the sum is 48.

The square root of 9213694851 is about 95987.9932647829. The cubic root of 9213694851 is about 2096.4182975674.

The spelling of 9213694851 in words is "nine billion, two hundred thirteen million, six hundred ninety-four thousand, eight hundred fifty-one".