1764883023121 has 9 divisors (see below), whose sum is σ = 1778042772849. Its totient is φ = 1751819990784.

The previous prime is 1764883023073. The next prime is 1764883023139. The reversal of 1764883023121 is 1213203884671.

The square root of 1764883023121 is 1328489.

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 192467341521 + 1572415681600 = 438711^2 + 1253960^2 .

It is not a de Polignac number, because 1764883023121 - 2¹⁹ = 1764882498833 is a prime.

It is a super-2 number, since 2×1764883023121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1764883029121) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 181998145 + ... + 182007841.

Almost surely, 2^{1764883023121} is an apocalyptic number.

1764883023121 is the 1328489-th square number.

1764883023121 is the 664245-th centered octagonal number.

It is an amenable number.

1764883023121 is a deficient number, since it is larger than the sum of its proper divisors (13159749728).

1764883023121 is an frugal number, since it uses more digits than its factorization.

1764883023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19668 (or 9834 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 1764883023121 in words is "one trillion, seven hundred sixty-four billion, eight hundred eighty-three million, twenty-three thousand, one hundred twenty-one".