43143034997 has 2 divisors, whose sum is σ = 43143034998. Its totient is φ = 43143034996.

The previous prime is 43143034973. The next prime is 43143035003. The reversal of 43143034997 is 79943034134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36603725041 + 6539309956 = 191321^2 + 80866^2 .

It is a cyclic number.

It is not a de Polignac number, because 43143034997 - 2²⁸ = 42874599541 is a prime.

It is a super-2 number, since 2×43143034997² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43143037997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21571517498 + 21571517499.

It is an arithmetic number, because the mean of its divisors is an integer number (21571517499).

Almost surely, 2^43143034997 is an apocalyptic number.

It is an amenable number.

43143034997 is a deficient number, since it is larger than the sum of its proper divisors (1).

43143034997 is an equidigital number, since it uses as much as digits as its factorization.

43143034997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 47.

The spelling of 43143034997 in words is "forty-three billion, one hundred forty-three million, thirty-four thousand, nine hundred ninety-seven".