424656899 has 2 divisors, whose sum is σ = 424656900. Its totient is φ = 424656898.

The previous prime is 424656887. The next prime is 424656901. The reversal of 424656899 is 998656424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424656899 - 2¹² = 424652803 is a prime.

Together with 424656901, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 424656899.

It is not a weakly prime, because it can be changed into another prime (454656899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212328449 + 212328450.

It is an arithmetic number, because the mean of its divisors is an integer number (212328450).

Almost surely, 2^424656899 is an apocalyptic number.

424656899 is a deficient number, since it is larger than the sum of its proper divisors (1).

424656899 is an equidigital number, since it uses as much as digits as its factorization.

424656899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480, while the sum is 53.

The square root of 424656899 is about 20607.2050263979. The cubic root of 424656899 is about 751.6449224103.

The spelling of 424656899 in words is "four hundred twenty-four million, six hundred fifty-six thousand, eight hundred ninety-nine".