424640383 has 2 divisors, whose sum is σ = 424640384. Its totient is φ = 424640382.

The previous prime is 424640371. The next prime is 424640389. The reversal of 424640383 is 383046424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424640383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424640389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212320191 + 212320192.

It is an arithmetic number, because the mean of its divisors is an integer number (212320192).

Almost surely, 2^424640383 is an apocalyptic number.

424640383 is a deficient number, since it is larger than the sum of its proper divisors (1).

424640383 is an equidigital number, since it uses as much as digits as its factorization.

424640383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 424640383 is about 20606.8042888751. The cubic root of 424640383 is about 751.6351778153.

The spelling of 424640383 in words is "four hundred twenty-four million, six hundred forty thousand, three hundred eighty-three".