6465916097 has 4 divisors (see below), whose sum is σ = 6486707136. Its totient is φ = 6445125060.

The previous prime is 6465916069. The next prime is 6465916139. The reversal of 6465916097 is 7906195646.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7906195646 = 2 ⋅3953097823.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6465916097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6465916027) 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, 10395053 + ... + 10395674.

It is an arithmetic number, because the mean of its divisors is an integer number (1621676784).

Almost surely, 2^6465916097 is an apocalyptic number.

It is an amenable number.

6465916097 is a deficient number, since it is larger than the sum of its proper divisors (20791039).

6465916097 is a wasteful number, since it uses less digits than its factorization.

6465916097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20791038.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The square root of 6465916097 is about 80410.9202596264. The cubic root of 6465916097 is about 1862.9878460340.

The spelling of 6465916097 in words is "six billion, four hundred sixty-five million, nine hundred sixteen thousand, ninety-seven".