424007240491 has 2 divisors, whose sum is σ = 424007240492. Its totient is φ = 424007240490.

The previous prime is 424007240473. The next prime is 424007240539. The reversal of 424007240491 is 194042700424.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424007240491 - 2¹⁷ = 424007109419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 424007240491.

It is not a weakly prime, because it can be changed into another prime (424007246491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212003620245 + 212003620246.

It is an arithmetic number, because the mean of its divisors is an integer number (212003620246).

Almost surely, 2^424007240491 is an apocalyptic number.

424007240491 is a deficient number, since it is larger than the sum of its proper divisors (1).

424007240491 is an equidigital number, since it uses as much as digits as its factorization.

424007240491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 424007240491 in words is "four hundred twenty-four billion, seven million, two hundred forty thousand, four hundred ninety-one".