6497504965 has 16 divisors (see below), whose sum is σ = 8920500480. Its totient is φ = 4450613760.

The previous prime is 6497504957. The next prime is 6497504983. The reversal of 6497504965 is 5694057946.

It is a happy number.

It is not a de Polignac number, because 6497504965 - 2³ = 6497504957 is a prime.

It is a super-3 number, since 3×6497504965³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67401 + ... + 132430.

It is an arithmetic number, because the mean of its divisors is an integer number (557531280).

Almost surely, 2^6497504965 is an apocalyptic number.

It is an amenable number.

6497504965 is a deficient number, since it is larger than the sum of its proper divisors (2422995515).

6497504965 is a wasteful number, since it uses less digits than its factorization.

6497504965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200772.

The product of its (nonzero) digits is 8164800, while the sum is 55.

The square root of 6497504965 is about 80607.1024476131. The cubic root of 6497504965 is about 1866.0167594907.

The spelling of 6497504965 in words is "six billion, four hundred ninety-seven million, five hundred four thousand, nine hundred sixty-five".