43125215429 has 2 divisors, whose sum is σ = 43125215430. Its totient is φ = 43125215428.

The previous prime is 43125215417. The next prime is 43125215467. The reversal of 43125215429 is 92451252134.

It is an a-pointer prime, because the next prime (43125215467) can be obtained adding 43125215429 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43043800900 + 81414529 = 207470^2 + 9023^2 .

It is a cyclic number.

It is not a de Polignac number, because 43125215429 - 2¹² = 43125211333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43125215392 and 43125215401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43125215489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21562607714 + 21562607715.

It is an arithmetic number, because the mean of its divisors is an integer number (21562607715).

Almost surely, 2^43125215429 is an apocalyptic number.

It is an amenable number.

43125215429 is a deficient number, since it is larger than the sum of its proper divisors (1).

43125215429 is an equidigital number, since it uses as much as digits as its factorization.

43125215429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 38.

The spelling of 43125215429 in words is "forty-three billion, one hundred twenty-five million, two hundred fifteen thousand, four hundred twenty-nine".