42923332429 has 2 divisors, whose sum is σ = 42923332430. Its totient is φ = 42923332428.

The previous prime is 42923332409. The next prime is 42923332447. The reversal of 42923332429 is 92423332924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25823847204 + 17099485225 = 160698^2 + 130765^2 .

It is a cyclic number.

It is not a de Polignac number, because 42923332429 - 2⁹ = 42923331917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42923332409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21461666214 + 21461666215.

It is an arithmetic number, because the mean of its divisors is an integer number (21461666215).

Almost surely, 2^42923332429 is an apocalyptic number.

It is an amenable number.

42923332429 is a deficient number, since it is larger than the sum of its proper divisors (1).

42923332429 is an equidigital number, since it uses as much as digits as its factorization.

42923332429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 43.

The spelling of 42923332429 in words is "forty-two billion, nine hundred twenty-three million, three hundred thirty-two thousand, four hundred twenty-nine".