423914565829 has 2 divisors, whose sum is σ = 423914565830. Its totient is φ = 423914565828.

The previous prime is 423914565733. The next prime is 423914565839. The reversal of 423914565829 is 928565419324.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 348451728804 + 75462837025 = 590298^2 + 274705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423914565829 is a prime.

It is a super-4 number, since 4×423914565829⁴ (a number of 48 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423914565839) 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, 211957282914 + 211957282915.

It is an arithmetic number, because the mean of its divisors is an integer number (211957282915).

Almost surely, 2^423914565829 is an apocalyptic number.

It is an amenable number.

423914565829 is a deficient number, since it is larger than the sum of its proper divisors (1).

423914565829 is an equidigital number, since it uses as much as digits as its factorization.

423914565829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18662400, while the sum is 58.

The spelling of 423914565829 in words is "four hundred twenty-three billion, nine hundred fourteen million, five hundred sixty-five thousand, eight hundred twenty-nine".