43744747142131 has 4 divisors (see below), whose sum is σ = 49993996733872. Its totient is φ = 37495497550392.

The previous prime is 43744747142119. The next prime is 43744747142167. The reversal of 43744747142131 is 13124174744734.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 43744747142131 - 2¹⁵ = 43744747109363 is a prime.

It is a super-2 number, since 2×43744747142131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43744747142731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3124624795860 + ... + 3124624795873.

It is an arithmetic number, because the mean of its divisors is an integer number (12498499183468).

Almost surely, 2^{43744747142131} is an apocalyptic number.

43744747142131 is a deficient number, since it is larger than the sum of its proper divisors (6249249591741).

43744747142131 is an equidigital number, since it uses as much as digits as its factorization.

43744747142131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6249249591740.

The product of its digits is 6322176, while the sum is 52.

The spelling of 43744747142131 in words is "forty-three trillion, seven hundred forty-four billion, seven hundred forty-seven million, one hundred forty-two thousand, one hundred thirty-one".