43143434761 has 8 divisors (see below), whose sum is σ = 49633318784. Its totient is φ = 36735184800.

The previous prime is 43143434701. The next prime is 43143434773. The reversal of 43143434761 is 16743434134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43143434761 - 2²¹ = 43141337609 is a prime.

It is a super-2 number, since 2×43143434761² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43143434701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20407380 + ... + 20409493.

It is an arithmetic number, because the mean of its divisors is an integer number (6204164848).

Almost surely, 2^43143434761 is an apocalyptic number.

It is an amenable number.

43143434761 is a deficient number, since it is larger than the sum of its proper divisors (6489884023).

43143434761 is a wasteful number, since it uses less digits than its factorization.

43143434761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40817031.

The product of its digits is 290304, while the sum is 40.

Adding to 43143434761 its reverse (16743434134), we get a palindrome (59886868895).

The spelling of 43143434761 in words is "forty-three billion, one hundred forty-three million, four hundred thirty-four thousand, seven hundred sixty-one".