6900812197 has 4 divisors (see below), whose sum is σ = 6901424640. Its totient is φ = 6900199756.

The previous prime is 6900812183. The next prime is 6900812203. The reversal of 6900812197 is 7912180096.

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 6900812197 - 2¹⁹ = 6900287909 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 (6900812137) 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, 288997 + ... + 311962.

It is an arithmetic number, because the mean of its divisors is an integer number (1725356160).

Almost surely, 2^6900812197 is an apocalyptic number.

It is an amenable number.

6900812197 is a deficient number, since it is larger than the sum of its proper divisors (612443).

6900812197 is a wasteful number, since it uses less digits than its factorization.

6900812197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612442.

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 6900812197 is about 83071.1273367588. The cubic root of 6900812197 is about 1903.8529567617.

The spelling of 6900812197 in words is "six billion, nine hundred million, eight hundred twelve thousand, one hundred ninety-seven".