6472644654 has 64 divisors (see below), whose sum is σ = 15280012800. Its totient is φ = 1789216128.

The previous prime is 6472644641. The next prime is 6472644677. The reversal of 6472644654 is 4564462746.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266532 + ... + 289800.

It is an arithmetic number, because the mean of its divisors is an integer number (238750200).

Almost surely, 2^6472644654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6472644654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7640006400).

6472644654 is an abundant number, since it is smaller than the sum of its proper divisors (8807368146).

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

6472644654 is a wasteful number, since it uses less digits than its factorization.

6472644654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23497.

The product of its digits is 3870720, while the sum is 48.

The square root of 6472644654 is about 80452.7479580406. The cubic root of 6472644654 is about 1863.6338423685.

The spelling of 6472644654 in words is "six billion, four hundred seventy-two million, six hundred forty-four thousand, six hundred fifty-four".