43273801813 has 8 divisors (see below), whose sum is σ = 47912378400. Its totient is φ = 38752657680.

The previous prime is 43273801771. The next prime is 43273801849. The reversal of 43273801813 is 31810837234.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-43273801813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43273801853) 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, 29357338 + ... + 29358811.

It is an arithmetic number, because the mean of its divisors is an integer number (5989047300).

Almost surely, 2^43273801813 is an apocalyptic number.

It is an amenable number.

43273801813 is a deficient number, since it is larger than the sum of its proper divisors (4638576587).

43273801813 is a wasteful number, since it uses less digits than its factorization.

43273801813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58716227.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 43273801813 in words is "forty-three billion, two hundred seventy-three million, eight hundred one thousand, eight hundred thirteen".