1141645663 has 2 divisors, whose sum is σ = 1141645664. Its totient is φ = 1141645662.

The previous prime is 1141645621. The next prime is 1141645691. The reversal of 1141645663 is 3665461411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1141645663 - 2⁹ = 1141645151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141645363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570822831 + 570822832.

It is an arithmetic number, because the mean of its divisors is an integer number (570822832).

Almost surely, 2^1141645663 is an apocalyptic number.

1141645663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141645663 is an equidigital number, since it uses as much as digits as its factorization.

1141645663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The square root of 1141645663 is about 33788.2474094174. The cubic root of 1141645663 is about 1045.1463552713.

The spelling of 1141645663 in words is "one billion, one hundred forty-one million, six hundred forty-five thousand, six hundred sixty-three".