43126775742913 has 16 divisors (see below), whose sum is σ = 44263659819456. Its totient is φ = 41996173302720.

The previous prime is 43126775742887. The next prime is 43126775742917. The reversal of 43126775742913 is 31924757762134.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43126775742913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43126775742917) 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, 17566383 + ... + 19870363.

It is an arithmetic number, because the mean of its divisors is an integer number (2766478738716).

Almost surely, 2^{43126775742913} is an apocalyptic number.

43126775742913 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

43126775742913 is a deficient number, since it is larger than the sum of its proper divisors (1136884076543).

43126775742913 is a wasteful number, since it uses less digits than its factorization.

43126775742913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305344.

The product of its digits is 53343360, while the sum is 61.

The spelling of 43126775742913 in words is "forty-three trillion, one hundred twenty-six billion, seven hundred seventy-five million, seven hundred forty-two thousand, nine hundred thirteen".