6500000051 has 16 divisors (see below), whose sum is σ = 6777458688. Its totient is φ = 6227020800.

The previous prime is 6500000029. The next prime is 6500000069. The reversal of 6500000051 is 1500000056.

It is a cyclic number.

It is not a de Polignac number, because 6500000051 - 2¹⁰ = 6499999027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6499999975 and 6500000029.

It is not an unprimeable number, because it can be changed into a prime (6500000021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1878515 + ... + 1881971.

It is an arithmetic number, because the mean of its divisors is an integer number (423591168).

Almost surely, 2^6500000051 is an apocalyptic number.

6500000051 is a deficient number, since it is larger than the sum of its proper divisors (277458637).

6500000051 is a wasteful number, since it uses less digits than its factorization.

6500000051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4082.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 6500000051 is about 80622.5777992741. The cubic root of 6500000051 is about 1866.2555832896.

The spelling of 6500000051 in words is "six billion, five hundred million, fifty-one", and thus it is an aban number.