6347121697 has 4 divisors (see below), whose sum is σ = 7253853376. Its totient is φ = 5440390020.

The previous prime is 6347121661. The next prime is 6347121709. The reversal of 6347121697 is 7961217436.

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 6347121697 - 2¹⁵ = 6347088929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6347121637) 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, 453365829 + ... + 453365842.

It is an arithmetic number, because the mean of its divisors is an integer number (1813463344).

Almost surely, 2^6347121697 is an apocalyptic number.

It is an amenable number.

6347121697 is a deficient number, since it is larger than the sum of its proper divisors (906731679).

6347121697 is an equidigital number, since it uses as much as digits as its factorization.

6347121697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906731678.

The product of its digits is 381024, while the sum is 46.

The square root of 6347121697 is about 79668.8251262688. The cubic root of 6347121697 is about 1851.5080663651.

The spelling of 6347121697 in words is "six billion, three hundred forty-seven million, one hundred twenty-one thousand, six hundred ninety-seven".