424879420699 has 4 divisors (see below), whose sum is σ = 425459065936. Its totient is φ = 424299775464.

The previous prime is 424879420673. The next prime is 424879420829. The reversal of 424879420699 is 996024978424.

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 424879420699 - 2¹⁹ = 424878896411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 424879420699.

It is not an unprimeable number, because it can be changed into a prime (424879420619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289821519 + ... + 289822984.

It is an arithmetic number, because the mean of its divisors is an integer number (106364766484).

Almost surely, 2^424879420699 is an apocalyptic number.

424879420699 is a deficient number, since it is larger than the sum of its proper divisors (579645237).

424879420699 is an equidigital number, since it uses as much as digits as its factorization.

424879420699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579645236.

The product of its (nonzero) digits is 62705664, while the sum is 64.

The spelling of 424879420699 in words is "four hundred twenty-four billion, eight hundred seventy-nine million, four hundred twenty thousand, six hundred ninety-nine".