6813311698 has 8 divisors (see below), whose sum is σ = 10242138060. Its totient is φ = 3399265680.

The previous prime is 6813311693. The next prime is 6813311717. The reversal of 6813311698 is 8961133186.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6791902569 + 21409129 = 82413^2 + 4627^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6813311693) 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, 3693933 + ... + 3695776.

Almost surely, 2^6813311698 is an apocalyptic number.

6813311698 is a deficient number, since it is larger than the sum of its proper divisors (3428826362).

6813311698 is a wasteful number, since it uses less digits than its factorization.

6813311698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7390172.

The product of its digits is 186624, while the sum is 46.

The square root of 6813311698 is about 82542.7870743410. The cubic root of 6813311698 is about 1895.7719184251.

The spelling of 6813311698 in words is "six billion, eight hundred thirteen million, three hundred eleven thousand, six hundred ninety-eight".