1144068817 has 2 divisors, whose sum is σ = 1144068818. Its totient is φ = 1144068816.

The previous prime is 1144068811. The next prime is 1144068853. The reversal of 1144068817 is 7188604411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1104831121 + 39237696 = 33239^2 + 6264^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144068817 - 2¹⁹ = 1143544529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1144068817.

It is not a weakly prime, because it can be changed into another prime (1144068811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572034408 + 572034409.

It is an arithmetic number, because the mean of its divisors is an integer number (572034409).

Almost surely, 2^1144068817 is an apocalyptic number.

It is an amenable number.

1144068817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144068817 is an equidigital number, since it uses as much as digits as its factorization.

1144068817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 1144068817 is about 33824.0863439059. The cubic root of 1144068817 is about 1045.8852771556.

The spelling of 1144068817 in words is "one billion, one hundred forty-four million, sixty-eight thousand, eight hundred seventeen".