6398347297 has 4 divisors (see below), whose sum is σ = 6412922560. Its totient is φ = 6383772036.

The previous prime is 6398347247. The next prime is 6398347313. The reversal of 6398347297 is 7927438936.

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 a de Polignac number, because none of the positive numbers 2^k-6398347297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6398347247) 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, 7286973 + ... + 7287850.

It is an arithmetic number, because the mean of its divisors is an integer number (1603230640).

Almost surely, 2^6398347297 is an apocalyptic number.

It is an amenable number.

6398347297 is a deficient number, since it is larger than the sum of its proper divisors (14575263).

6398347297 is a wasteful number, since it uses less digits than its factorization.

6398347297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14575262.

The product of its digits is 13716864, while the sum is 58.

The square root of 6398347297 is about 79989.6699393115. The cubic root of 6398347297 is about 1856.4757036908.

The spelling of 6398347297 in words is "six billion, three hundred ninety-eight million, three hundred forty-seven thousand, two hundred ninety-seven".