6897283138309 has 4 divisors (see below), whose sum is σ = 6898685315040. Its totient is φ = 6895880961580.

The previous prime is 6897283138283. The next prime is 6897283138349. The reversal of 6897283138309 is 9038313827986.

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 6897283138309 - 2²⁵ = 6897249583877 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 (6897283138349) 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, 701080987 + ... + 701090824.

It is an arithmetic number, because the mean of its divisors is an integer number (1724671328760).

Almost surely, 2^{6897283138309} is an apocalyptic number.

It is an amenable number.

6897283138309 is a deficient number, since it is larger than the sum of its proper divisors (1402176731).

6897283138309 is a wasteful number, since it uses less digits than its factorization.

6897283138309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402176730.

The product of its (nonzero) digits is 94058496, while the sum is 67.

The spelling of 6897283138309 in words is "six trillion, eight hundred ninety-seven billion, two hundred eighty-three million, one hundred thirty-eight thousand, three hundred nine".