1789604493121 has 9 divisors (see below), whose sum is σ = 1828555570081. Its totient is φ = 1751466264772.

The previous prime is 1789604493119. The next prime is 1789604493151. The reversal of 1789604493121 is 1213944069871.

The square root of 1789604493121 is 1337761.

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

It is not a de Polignac number, because 1789604493121 - 2¹ = 1789604493119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1789604493151) 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, 62860536 + ... + 62888998.

Almost surely, 2^{1789604493121} is an apocalyptic number.

1789604493121 is the 1337761-st square number.

1789604493121 is the 668881-st centered octagonal number.

It is an amenable number.

1789604493121 is a deficient number, since it is larger than the sum of its proper divisors (38951076960).

1789604493121 is an frugal number, since it uses more digits than its factorization.

1789604493121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57020 (or 28510 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 1789604493121 in words is "one trillion, seven hundred eighty-nine billion, six hundred four million, four hundred ninety-three thousand, one hundred twenty-one".