1074948019209 has 9 divisors (see below), whose sum is σ = 1552707187213. Its totient is φ = 716629939212.

The previous prime is 1074948019153. The next prime is 1074948019213. The reversal of 1074948019209 is 9029108494701.

The square root of 1074948019209 is 1036797.

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

1074948019209 is a `hidden beast` number, since 1 + 0 + 74 + 9 + 480 + 1 + 92 + 0 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1074948019209 - 2¹⁹ = 1074947494921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1074948019219) 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 8 ways as a sum of consecutive naturals, for example, 2937592 + ... + 3283190.

Almost surely, 2^{1074948019209} is an apocalyptic number.

1074948019209 is the 1036797-th square number.

1074948019209 is the 518399-th centered octagonal number.

It is an amenable number.

1074948019209 is a deficient number, since it is larger than the sum of its proper divisors (477759168004).

1074948019209 is an frugal number, since it uses more digits than its factorization.

1074948019209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691204 (or 345602 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 1074948019209 in words is "one trillion, seventy-four billion, nine hundred forty-eight million, nineteen thousand, two hundred nine".