424261869329 has 2 divisors, whose sum is σ = 424261869330. Its totient is φ = 424261869328.

The previous prime is 424261869233. The next prime is 424261869373. The reversal of 424261869329 is 923968162424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212565258304 + 211696611025 = 461048^2 + 460105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424261869329 is a prime.

It is not a weakly prime, because it can be changed into another prime (424261899329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212130934664 + 212130934665.

It is an arithmetic number, because the mean of its divisors is an integer number (212130934665).

Almost surely, 2^424261869329 is an apocalyptic number.

It is an amenable number.

424261869329 is a deficient number, since it is larger than the sum of its proper divisors (1).

424261869329 is an equidigital number, since it uses as much as digits as its factorization.

424261869329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8957952, while the sum is 56.

The spelling of 424261869329 in words is "four hundred twenty-four billion, two hundred sixty-one million, eight hundred sixty-nine thousand, three hundred twenty-nine".