1042663189 has 2 divisors, whose sum is σ = 1042663190. Its totient is φ = 1042663188.

The previous prime is 1042663157. The next prime is 1042663211. The reversal of 1042663189 is 9813662401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 545596164 + 497067025 = 23358^2 + 22295^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042663189 - 2⁵ = 1042663157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042663109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521331594 + 521331595.

It is an arithmetic number, because the mean of its divisors is an integer number (521331595).

Almost surely, 2^1042663189 is an apocalyptic number.

It is an amenable number.

1042663189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042663189 is an equidigital number, since it uses as much as digits as its factorization.

1042663189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1042663189 is about 32290.2955855161. The cubic root of 1042663189 is about 1014.0234855748.

The spelling of 1042663189 in words is "one billion, forty-two million, six hundred sixty-three thousand, one hundred eighty-nine".