1040422993 has 2 divisors, whose sum is σ = 1040422994. Its totient is φ = 1040422992.

The previous prime is 1040422949. The next prime is 1040423039. The reversal of 1040422993 is 3992240401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1033751104 + 6671889 = 32152^2 + 2583^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040422993 - 2¹³ = 1040414801 is a prime.

It is not a weakly prime, because it can be changed into another prime (1040422393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520211496 + 520211497.

It is an arithmetic number, because the mean of its divisors is an integer number (520211497).

Almost surely, 2^1040422993 is an apocalyptic number.

It is an amenable number.

1040422993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040422993 is an equidigital number, since it uses as much as digits as its factorization.

1040422993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 1040422993 is about 32255.5885545435. The cubic root of 1040422993 is about 1013.2967439635.

The spelling of 1040422993 in words is "one billion, forty million, four hundred twenty-two thousand, nine hundred ninety-three".