429720891983 has 2 divisors, whose sum is σ = 429720891984. Its totient is φ = 429720891982.

The previous prime is 429720891949. The next prime is 429720892001. The reversal of 429720891983 is 389198027924.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 429720891983 - 2¹⁸ = 429720629839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (429720891913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214860445991 + 214860445992.

It is an arithmetic number, because the mean of its divisors is an integer number (214860445992).

Almost surely, 2^429720891983 is an apocalyptic number.

429720891983 is a deficient number, since it is larger than the sum of its proper divisors (1).

429720891983 is an equidigital number, since it uses as much as digits as its factorization.

429720891983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15676416, while the sum is 62.

The spelling of 429720891983 in words is "four hundred twenty-nine billion, seven hundred twenty million, eight hundred ninety-one thousand, nine hundred eighty-three".