6497369345 has 4 divisors (see below), whose sum is σ = 7796843220. Its totient is φ = 5197895472.

The previous prime is 6497369341. The next prime is 6497369353. The reversal of 6497369345 is 5439637946.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2851987216 + 3645382129 = 53404^2 + 60377^2 .

It is a cyclic number.

It is not a de Polignac number, because 6497369345 - 2² = 6497369341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6497369341) 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, 649736930 + ... + 649736939.

It is an arithmetic number, because the mean of its divisors is an integer number (1949210805).

Almost surely, 2^6497369345 is an apocalyptic number.

It is an amenable number.

6497369345 is a deficient number, since it is larger than the sum of its proper divisors (1299473875).

6497369345 is a wasteful number, since it uses less digits than its factorization.

6497369345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299473874.

The product of its digits is 14696640, while the sum is 56.

The square root of 6497369345 is about 80606.2612022168. The cubic root of 6497369345 is about 1866.0037765095.

The spelling of 6497369345 in words is "six billion, four hundred ninety-seven million, three hundred sixty-nine thousand, three hundred forty-five".