424121702399 has 4 divisors (see below), whose sum is σ = 424781301336. Its totient is φ = 423462103464.

The previous prime is 424121702387. The next prime is 424121702461. The reversal of 424121702399 is 993207121424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 424121702399 - 2⁴ = 424121702383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424121732399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329798504 + ... + 329799789.

It is an arithmetic number, because the mean of its divisors is an integer number (106195325334).

Almost surely, 2^424121702399 is an apocalyptic number.

424121702399 is a deficient number, since it is larger than the sum of its proper divisors (659598937).

424121702399 is an equidigital number, since it uses as much as digits as its factorization.

424121702399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659598936.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 424121702399 in words is "four hundred twenty-four billion, one hundred twenty-one million, seven hundred two thousand, three hundred ninety-nine".