6497964086 has 4 divisors (see below), whose sum is σ = 9746946132. Its totient is φ = 3248982042.

The previous prime is 6497964079. The next prime is 6497964107. The reversal of 6497964086 is 6804697946.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1624491020 + ... + 1624491023.

It is an arithmetic number, because the mean of its divisors is an integer number (2436736533).

Almost surely, 2^6497964086 is an apocalyptic number.

6497964086 is a deficient number, since it is larger than the sum of its proper divisors (3248982046).

6497964086 is a wasteful number, since it uses less digits than its factorization.

6497964086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3248982045.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The square root of 6497964086 is about 80609.9502915118. The cubic root of 6497964086 is about 1866.0607100690.

The spelling of 6497964086 in words is "six billion, four hundred ninety-seven million, nine hundred sixty-four thousand, eighty-six".