43012954943 has 16 divisors (see below), whose sum is σ = 50169921600. Its totient is φ = 36861602400.

The previous prime is 43012954913. The next prime is 43012954973. The reversal of 43012954943 is 34945921034.

It is an interprime number because it is at equal distance from previous prime (43012954913) and next prime (43012954973).

It is not a de Polignac number, because 43012954943 - 2³² = 38717987647 is a prime.

It is a super-2 number, since 2×43012954943² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43012954894 and 43012954903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43012954913) 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 15 ways as a sum of consecutive naturals, for example, 3348473 + ... + 3361293.

It is an arithmetic number, because the mean of its divisors is an integer number (3135620100).

Almost surely, 2^43012954943 is an apocalyptic number.

43012954943 is a deficient number, since it is larger than the sum of its proper divisors (7156966657).

43012954943 is an equidigital number, since it uses as much as digits as its factorization.

43012954943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22623 (or 22609 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 43012954943 in words is "forty-three billion, twelve million, nine hundred fifty-four thousand, nine hundred forty-three".