43483043957 has 4 divisors (see below), whose sum is σ = 43488284256. Its totient is φ = 43477803660.

The previous prime is 43483043939. The next prime is 43483043963. The reversal of 43483043957 is 75934038434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75934038434 = 2 ⋅37967019217.

It is a cyclic number.

It is not a de Polignac number, because 43483043957 - 2⁸ = 43483043701 is a prime.

It is a super-2 number, since 2×43483043957² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43483043057) 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, 2607683 + ... + 2624304.

It is an arithmetic number, because the mean of its divisors is an integer number (10872071064).

Almost surely, 2^43483043957 is an apocalyptic number.

It is an amenable number.

43483043957 is a deficient number, since it is larger than the sum of its proper divisors (5240299).

43483043957 is an equidigital number, since it uses as much as digits as its factorization.

43483043957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5240298.

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 43483043957 in words is "forty-three billion, four hundred eighty-three million, forty-three thousand, nine hundred fifty-seven".