1832398102921 has 9 divisors (see below), whose sum is σ = 1839749328781. Its totient is φ = 1825076150572.

The previous prime is 1832398102901. The next prime is 1832398102981. The reversal of 1832398102921 is 1292018932381.

The square root of 1832398102921 is 1353661.

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

It is not a de Polignac number, because 1832398102921 - 2¹⁹ = 1832397578633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1832398102901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 356010270 + ... + 356015416.

Almost surely, 2^{1832398102921} is an apocalyptic number.

1832398102921 is the 1353661-st square number.

1832398102921 is the 676831-st centered octagonal number.

It is an amenable number.

1832398102921 is a deficient number, since it is larger than the sum of its proper divisors (7351225860).

1832398102921 is an frugal number, since it uses more digits than its factorization.

1832398102921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10820 (or 5410 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 49.

Multiplying 1832398102921 by its sum of digits (49), we get a square (89787507043129 = 9475627²).

The spelling of 1832398102921 in words is "one trillion, eight hundred thirty-two billion, three hundred ninety-eight million, one hundred two thousand, nine hundred twenty-one".