6547056397 has 4 divisors (see below), whose sum is σ = 7482350176. Its totient is φ = 5611762620.

The previous prime is 6547056361. The next prime is 6547056403. The reversal of 6547056397 is 7936507456.

It is a happy number.

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-6547056397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6547056317) 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, 467646879 + ... + 467646892.

It is an arithmetic number, because the mean of its divisors is an integer number (1870587544).

Almost surely, 2^6547056397 is an apocalyptic number.

It is an amenable number.

6547056397 is a deficient number, since it is larger than the sum of its proper divisors (935293779).

6547056397 is an equidigital number, since it uses as much as digits as its factorization.

6547056397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935293778.

The product of its (nonzero) digits is 4762800, while the sum is 52.

The square root of 6547056397 is about 80913.8825974876. The cubic root of 6547056397 is about 1870.7483061372.

The spelling of 6547056397 in words is "six billion, five hundred forty-seven million, fifty-six thousand, three hundred ninety-seven".