6451641332255 has 16 divisors (see below), whose sum is σ = 8889898750464. Its totient is φ = 4403015880480.

The previous prime is 6451641332209. The next prime is 6451641332291. The reversal of 6451641332255 is 5522331461546.

It is not a de Polignac number, because 6451641332255 - 2¹⁰ = 6451641331231 is a prime.

It is a super-2 number, since 2×6451641332255² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436799747 + ... + 436814516.

It is an arithmetic number, because the mean of its divisors is an integer number (555618671904).

Almost surely, 2^{6451641332255} is an apocalyptic number.

6451641332255 is a deficient number, since it is larger than the sum of its proper divisors (2438257418209).

6451641332255 is a wasteful number, since it uses less digits than its factorization.

6451641332255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873614486.

The product of its digits is 2592000, while the sum is 47.

The spelling of 6451641332255 in words is "six trillion, four hundred fifty-one billion, six hundred forty-one million, three hundred thirty-two thousand, two hundred fifty-five".