6473731761 has 64 divisors (see below), whose sum is σ = 11150438400. Its totient is φ = 3635653248.

The previous prime is 6473731729. The next prime is 6473731763. The reversal of 6473731761 is 1671373746.

6473731761 is a `hidden beast` number, since 6 + 473 + 7 + 3 + 176 + 1 = 666.

It is not a de Polignac number, because 6473731761 - 2⁵ = 6473731729 is a prime.

It is a super-2 number, since 2×6473731761² = 83818405826760322242, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6473731763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4952470 + ... + 4953776.

It is an arithmetic number, because the mean of its divisors is an integer number (174225600).

Almost surely, 2^6473731761 is an apocalyptic number.

It is an amenable number.

6473731761 is a deficient number, since it is larger than the sum of its proper divisors (4676706639).

6473731761 is a wasteful number, since it uses less digits than its factorization.

6473731761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755 (or 1749 counting only the distinct ones).

The product of its digits is 444528, while the sum is 45.

The square root of 6473731761 is about 80459.5038575307. The cubic root of 6473731761 is about 1863.7381714895.

The spelling of 6473731761 in words is "six billion, four hundred seventy-three million, seven hundred thirty-one thousand, seven hundred sixty-one".