6197405689 has 4 divisors (see below), whose sum is σ = 6197587200. Its totient is φ = 6197224180.

The previous prime is 6197405663. The next prime is 6197405719. The reversal of 6197405689 is 9865047916.

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 6197405689 - 2⁵ = 6197405657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6197405639) 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, 22357 + ... + 113554.

It is an arithmetic number, because the mean of its divisors is an integer number (1549396800).

Almost surely, 2^6197405689 is an apocalyptic number.

It is an amenable number.

6197405689 is a deficient number, since it is larger than the sum of its proper divisors (181511).

6197405689 is a wasteful number, since it uses less digits than its factorization.

6197405689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181510.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 6197405689 is about 78723.6031251111. The cubic root of 6197405689 is about 1836.8342785555.

The spelling of 6197405689 in words is "six billion, one hundred ninety-seven million, four hundred five thousand, six hundred eighty-nine".