1306922244849 has 63 divisors (see below), whose sum is σ = 2122463014833. Its totient is φ = 804012910272.

The previous prime is 1306922244847. The next prime is 1306922244949. The reversal of 1306922244849 is 9484422296031.

The square root of 1306922244849 is 1143207.

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

1306922244849 is a `hidden beast` number, since 1 + 306 + 92 + 2 + 244 + 8 + 4 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 61732449 + 1306860512400 = 7857^2 + 1143180^2 .

It is not a de Polignac number, because 1306922244849 - 2¹ = 1306922244847 is a prime.

It is a super-2 number, since 2×1306922244849² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1306922244795 and 1306922244804.

It is not an unprimeable number, because it can be changed into a prime (1306922244847) 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 62 ways as a sum of consecutive naturals, for example, 401264029 + ... + 401267285.

Almost surely, 2^{1306922244849} is an apocalyptic number.

1306922244849 is the 1143207-th square number.

1306922244849 is the 571604-th centered octagonal number.

It is an amenable number.

1306922244849 is a deficient number, since it is larger than the sum of its proper divisors (815540769984).

1306922244849 is an frugal number, since it uses more digits than its factorization.

1306922244849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6558 (or 3273 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 1306922244849 in words is "one trillion, three hundred six billion, nine hundred twenty-two million, two hundred forty-four thousand, eight hundred forty-nine".