1066289293 has 2 divisors, whose sum is σ = 1066289294. Its totient is φ = 1066289292.

The previous prime is 1066289267. The next prime is 1066289327. The reversal of 1066289293 is 3929826601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 795127204 + 271162089 = 28198^2 + 16467^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066289293 - 2⁵ = 1066289261 is a prime.

It is a super-2 number, since 2×1066289293² = 2273945712732879698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066289233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533144646 + 533144647.

It is an arithmetic number, because the mean of its divisors is an integer number (533144647).

Almost surely, 2^1066289293 is an apocalyptic number.

It is an amenable number.

1066289293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066289293 is an equidigital number, since it uses as much as digits as its factorization.

1066289293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 1066289293 is about 32654.0853952457. The cubic root of 1066289293 is about 1021.6254018954.

It can be divided in two parts, 106628 and 9293, that added together give a triangular number (115921 = T₄₈₁).

The spelling of 1066289293 in words is "one billion, sixty-six million, two hundred eighty-nine thousand, two hundred ninety-three".