1772244327849 has 16 divisors (see below), whose sum is σ = 2364496680000. Its totient is φ = 1180744344576.

The previous prime is 1772244327829. The next prime is 1772244327859. The reversal of 1772244327849 is 9487234422771.

It is a happy number.

It is not a de Polignac number, because 1772244327849 - 2¹² = 1772244323753 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1772244327792 and 1772244327801.

It is not an unprimeable number, because it can be changed into a prime (1772244327829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32049777 + ... + 32105025.

It is an arithmetic number, because the mean of its divisors is an integer number (147781042500).

Almost surely, 2^{1772244327849} is an apocalyptic number.

It is an amenable number.

1772244327849 is a deficient number, since it is larger than the sum of its proper divisors (592252352151).

1772244327849 is a wasteful number, since it uses less digits than its factorization.

1772244327849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61864.

The product of its digits is 37933056, while the sum is 60.

The spelling of 1772244327849 in words is "one trillion, seven hundred seventy-two billion, two hundred forty-four million, three hundred twenty-seven thousand, eight hundred forty-nine".