1144411769 has 2 divisors, whose sum is σ = 1144411770. Its totient is φ = 1144411768.

The previous prime is 1144411733. The next prime is 1144411799. The reversal of 1144411769 is 9671144411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1143792400 + 619369 = 33820^2 + 787^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144411769 - 2¹⁶ = 1144346233 is a prime.

It is a super-2 number, since 2×1144411769² = 2619356594051418722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1144411799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572205884 + 572205885.

It is an arithmetic number, because the mean of its divisors is an integer number (572205885).

Almost surely, 2^1144411769 is an apocalyptic number.

It is an amenable number.

1144411769 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144411769 is an equidigital number, since it uses as much as digits as its factorization.

1144411769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 38.

The square root of 1144411769 is about 33829.1556057789. The cubic root of 1144411769 is about 1045.9897733792.

The spelling of 1144411769 in words is "one billion, one hundred forty-four million, four hundred eleven thousand, seven hundred sixty-nine".