6899036897 has 4 divisors (see below), whose sum is σ = 6900934320. Its totient is φ = 6897139476.

The previous prime is 6899036861. The next prime is 6899036929. The reversal of 6899036897 is 7986309986.

6899036897 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7986309986 = 2 ⋅3993154993.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6899036897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6899036497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 943247 + ... + 950532.

It is an arithmetic number, because the mean of its divisors is an integer number (1725233580).

Almost surely, 2^6899036897 is an apocalyptic number.

It is an amenable number.

6899036897 is a deficient number, since it is larger than the sum of its proper divisors (1897423).

6899036897 is a wasteful number, since it uses less digits than its factorization.

6899036897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897422.

The product of its (nonzero) digits is 35271936, while the sum is 65.

The square root of 6899036897 is about 83060.4412280599. The cubic root of 6899036897 is about 1903.6896812932.

The spelling of 6899036897 in words is "six billion, eight hundred ninety-nine million, thirty-six thousand, eight hundred ninety-seven".