429693891923 has 2 divisors, whose sum is σ = 429693891924. Its totient is φ = 429693891922.

The previous prime is 429693891911. The next prime is 429693891929. The reversal of 429693891923 is 329198396924.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 429693891923 - 2⁶ = 429693891859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 429693891923.

It is not a weakly prime, because it can be changed into another prime (429693891929) 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, 214846945961 + 214846945962.

It is an arithmetic number, because the mean of its divisors is an integer number (214846945962).

Almost surely, 2^429693891923 is an apocalyptic number.

429693891923 is a deficient number, since it is larger than the sum of its proper divisors (1).

429693891923 is an equidigital number, since it uses as much as digits as its factorization.

429693891923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45349632, while the sum is 65.

The spelling of 429693891923 in words is "four hundred twenty-nine billion, six hundred ninety-three million, eight hundred ninety-one thousand, nine hundred twenty-three".