43012374463 has 4 divisors (see below), whose sum is σ = 43077644280. Its totient is φ = 42947104648.

The previous prime is 43012374443. The next prime is 43012374617. The reversal of 43012374463 is 36447321034.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36447321034 = 2 ⋅18223660517.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43012374463 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 (43012374413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32633920 + ... + 32635237.

It is an arithmetic number, because the mean of its divisors is an integer number (10769411070).

Almost surely, 2^43012374463 is an apocalyptic number.

43012374463 is a deficient number, since it is larger than the sum of its proper divisors (65269817).

43012374463 is an equidigital number, since it uses as much as digits as its factorization.

43012374463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65269816.

The product of its (nonzero) digits is 145152, while the sum is 37.

Adding to 43012374463 its reverse (36447321034), we get a palindrome (79459695497).

The spelling of 43012374463 in words is "forty-three billion, twelve million, three hundred seventy-four thousand, four hundred sixty-three".