424817249639 has 2 divisors, whose sum is σ = 424817249640. Its totient is φ = 424817249638.

The previous prime is 424817249629. The next prime is 424817249641. The reversal of 424817249639 is 936942718424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424817249639 - 2³² = 420522282343 is a prime.

Together with 424817249641, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424817249629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212408624819 + 212408624820.

It is an arithmetic number, because the mean of its divisors is an integer number (212408624820).

Almost surely, 2^424817249639 is an apocalyptic number.

424817249639 is a deficient number, since it is larger than the sum of its proper divisors (1).

424817249639 is an equidigital number, since it uses as much as digits as its factorization.

424817249639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20901888, while the sum is 59.

The spelling of 424817249639 in words is "four hundred twenty-four billion, eight hundred seventeen million, two hundred forty-nine thousand, six hundred thirty-nine".