6465500151 has 32 divisors (see below), whose sum is σ = 9914351616. Its totient is φ = 3711372000.

The previous prime is 6465500039. The next prime is 6465500161. The reversal of 6465500151 is 1510055646.

It is not a de Polignac number, because 6465500151 - 2¹⁰ = 6465499127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6465500161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19155 + ... + 115316.

It is an arithmetic number, because the mean of its divisors is an integer number (309823488).

Almost surely, 2^6465500151 is an apocalyptic number.

6465500151 is a deficient number, since it is larger than the sum of its proper divisors (3448851465).

6465500151 is a wasteful number, since it uses less digits than its factorization.

6465500151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134563.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 6465500151 is about 80408.3338404671. Note that the first 3 decimals coincide. The cubic root of 6465500151 is about 1862.9478971209.

Adding to 6465500151 its reverse (1510055646), we get a palindrome (7975555797).

The spelling of 6465500151 in words is "six billion, four hundred sixty-five million, five hundred thousand, one hundred fifty-one".