1799040086089 has 27 divisors (see below), whose sum is σ = 1924825836693. Its totient is φ = 1681131921408.

The previous prime is 1799040086003. The next prime is 1799040086101. The reversal of 1799040086089 is 9806800409971.

The square root of 1799040086089 is 1341283.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1200521236489 + 598518849600 = 1095683^2 + 773640^2 .

It is not a de Polignac number, because 1799040086089 - 2¹¹ = 1799040084041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1799040086489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5860065274 + ... + 5860065580.

Almost surely, 2^{1799040086089} is an apocalyptic number.

1799040086089 is the 1341283-rd square number.

1799040086089 is the 670642-nd centered octagonal number.

It is an amenable number.

1799040086089 is a deficient number, since it is larger than the sum of its proper divisors (125785750604).

1799040086089 is an frugal number, since it uses more digits than its factorization.

1799040086089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 61.

The spelling of 1799040086089 in words is "one trillion, seven hundred ninety-nine billion, forty million, eighty-six thousand, eighty-nine".