4046681543 has 4 divisors (see below), whose sum is σ = 4097905440. Its totient is φ = 3995457648.

The previous prime is 4046681537. The next prime is 4046681567. The reversal of 4046681543 is 3451866404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4046681543 - 2²⁰ = 4045632967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4046681543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4046681593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25611830 + ... + 25611987.

It is an arithmetic number, because the mean of its divisors is an integer number (1024476360).

Almost surely, 2^4046681543 is an apocalyptic number.

4046681543 is a deficient number, since it is larger than the sum of its proper divisors (51223897).

4046681543 is an equidigital number, since it uses as much as digits as its factorization.

4046681543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51223896.

The product of its (nonzero) digits is 276480, while the sum is 41.

The square root of 4046681543 is about 63613.5327033486. The cubic root of 4046681543 is about 1593.5523784224.

The spelling of 4046681543 in words is "four billion, forty-six million, six hundred eighty-one thousand, five hundred forty-three".