1024454993 has 2 divisors, whose sum is σ = 1024454994. Its totient is φ = 1024454992.

The previous prime is 1024454971. The next prime is 1024455031. The reversal of 1024454993 is 3994544201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 707187649 + 317267344 = 26593^2 + 17812^2 .

It is a cyclic number.

It is not a de Polignac number, because 1024454993 - 2²⁶ = 957346129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1024454993.

It is not a weakly prime, because it can be changed into another prime (1024454933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512227496 + 512227497.

It is an arithmetic number, because the mean of its divisors is an integer number (512227497).

Almost surely, 2^1024454993 is an apocalyptic number.

It is an amenable number.

1024454993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1024454993 is an equidigital number, since it uses as much as digits as its factorization.

1024454993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 1024454993 is about 32007.1084760870. The cubic root of 1024454993 is about 1008.0861030343.

The spelling of 1024454993 in words is "one billion, twenty-four million, four hundred fifty-four thousand, nine hundred ninety-three".