43464991873 has 8 divisors (see below), whose sum is σ = 44551238760. Its totient is φ = 42379989120.

The previous prime is 43464991853. The next prime is 43464991879. The reversal of 43464991873 is 37819946434.

It can be written as a sum of positive squares in 4 ways, for example, as 4067505729 + 39397486144 = 63777^2 + 198488^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43464991873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43464991879) 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, 240090 + ... + 380227.

It is an arithmetic number, because the mean of its divisors is an integer number (5568904845).

Almost surely, 2^43464991873 is an apocalyptic number.

It is an amenable number.

43464991873 is a deficient number, since it is larger than the sum of its proper divisors (1086246887).

43464991873 is a wasteful number, since it uses less digits than its factorization.

43464991873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622067.

The product of its digits is 15676416, while the sum is 58.

The spelling of 43464991873 in words is "forty-three billion, four hundred sixty-four million, nine hundred ninety-one thousand, eight hundred seventy-three".