6501051065 has 16 divisors (see below), whose sum is σ = 7900744320. Its totient is φ = 5134778880.

The previous prime is 6501051049. The next prime is 6501051091. The reversal of 6501051065 is 5601501056.

It is not a de Polignac number, because 6501051065 - 2⁴ = 6501051049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187220 + ... + 219210.

It is an arithmetic number, because the mean of its divisors is an integer number (493796520).

Almost surely, 2^6501051065 is an apocalyptic number.

It is an amenable number.

6501051065 is a deficient number, since it is larger than the sum of its proper divisors (1399693255).

6501051065 is a wasteful number, since it uses less digits than its factorization.

6501051065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32512.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 6501051065 is about 80629.0956479111. The cubic root of 6501051065 is about 1866.3561655983.

The spelling of 6501051065 in words is "six billion, five hundred one million, fifty-one thousand, sixty-five".