6497340837 has 32 divisors (see below), whose sum is σ = 9549566208. Its totient is φ = 3905127936.

The previous prime is 6497340827. The next prime is 6497340847. The reversal of 6497340837 is 7380437946.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6497340827) and next prime (6497340847).

It is not a de Polignac number, because 6497340837 - 2⁴ = 6497340821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6497340837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6497340827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282163 + ... + 304319.

It is an arithmetic number, because the mean of its divisors is an integer number (298423944).

Almost surely, 2^6497340837 is an apocalyptic number.

It is an amenable number.

6497340837 is a deficient number, since it is larger than the sum of its proper divisors (3052225371).

6497340837 is a wasteful number, since it uses less digits than its factorization.

6497340837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22349.

The product of its (nonzero) digits is 3048192, while the sum is 51.

The square root of 6497340837 is about 80606.0843671245. The cubic root of 6497340837 is about 1866.0010473992.

The spelling of 6497340837 in words is "six billion, four hundred ninety-seven million, three hundred forty thousand, eight hundred thirty-seven".