6500500605651 has 16 divisors (see below), whose sum is σ = 9340485073920. Its totient is φ = 3997551098400.

The previous prime is 6500500605631. The next prime is 6500500605721. The reversal of 6500500605651 is 1565060050056.

It is not a de Polignac number, because 6500500605651 - 2¹⁴ = 6500500589267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (6500500605601) 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, 57379491 + ... + 57492668.

It is an arithmetic number, because the mean of its divisors is an integer number (583780317120).

Almost surely, 2^{6500500605651} is an apocalyptic number.

6500500605651 is a deficient number, since it is larger than the sum of its proper divisors (2839984468269).

6500500605651 is a wasteful number, since it uses less digits than its factorization.

6500500605651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114873626.

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 6500500605651 in words is "six trillion, five hundred billion, five hundred million, six hundred five thousand, six hundred fifty-one".