8693428813 has 4 divisors (see below), whose sum is σ = 8694275200. Its totient is φ = 8692582428.

The previous prime is 8693428787. The next prime is 8693428867. The reversal of 8693428813 is 3188243968.

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 a cyclic number.

It is not a de Polignac number, because 8693428813 - 2²¹ = 8691331661 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 (8693428883) 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, 407595 + ... + 428392.

It is an arithmetic number, because the mean of its divisors is an integer number (2173568800).

Almost surely, 2^8693428813 is an apocalyptic number.

It is an amenable number.

8693428813 is a deficient number, since it is larger than the sum of its proper divisors (846387).

8693428813 is a wasteful number, since it uses less digits than its factorization.

8693428813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846386.

The product of its digits is 1990656, while the sum is 52.

The square root of 8693428813 is about 93238.5586171301. The cubic root of 8693428813 is about 2056.1921686627.

The spelling of 8693428813 in words is "eight billion, six hundred ninety-three million, four hundred twenty-eight thousand, eight hundred thirteen".