1001424343993 has 2 divisors, whose sum is σ = 1001424343994. Its totient is φ = 1001424343992.

The previous prime is 1001424343963. The next prime is 1001424344009. The reversal of 1001424343993 is 3993434241001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 885985447824 + 115438896169 = 941268^2 + 339763^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001424343993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001424343943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500712171996 + 500712171997.

It is an arithmetic number, because the mean of its divisors is an integer number (500712171997).

Almost surely, 2^{1001424343993} is an apocalyptic number.

It is an amenable number.

1001424343993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001424343993 is an equidigital number, since it uses as much as digits as its factorization.

1001424343993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 43.

Adding to 1001424343993 its reverse (3993434241001), we get a palindrome (4994858584994).

The spelling of 1001424343993 in words is "one trillion, one billion, four hundred twenty-four million, three hundred forty-three thousand, nine hundred ninety-three".