6465114173128 has 32 divisors (see below), whose sum is σ = 13268566616760. Its totient is φ = 2934982471680.

The previous prime is 6465114173101. The next prime is 6465114173129. The reversal of 6465114173128 is 8213714115646.

It can be written as a sum of positive squares in 4 ways, for example, as 603011265444 + 5862102907684 = 776538^2 + 2421178^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6465114173129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509539225 + ... + 509551912.

Almost surely, 2^{6465114173128} is an apocalyptic number.

It is an amenable number.

6465114173128 is an abundant number, since it is smaller than the sum of its proper divisors (6803452443632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6465114173128 is a wasteful number, since it uses less digits than its factorization.

6465114173128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019091217 (or 1019091213 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The spelling of 6465114173128 in words is "six trillion, four hundred sixty-five billion, one hundred fourteen million, one hundred seventy-three thousand, one hundred twenty-eight".