1601305492329 has 15 divisors (see below), whose sum is σ = 2392090649773. Its totient is φ = 1067529402324.

The previous prime is 1601305492309. The next prime is 1601305492333. The reversal of 1601305492329 is 9232945031061.

The square root of 1601305492329 is 1265427.

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

1601305492329 is a `hidden beast` number, since 1 + 6 + 0 + 130 + 5 + 492 + 3 + 29 = 666.

It is not a de Polignac number, because 1601305492329 - 2¹³ = 1601305484137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1601305492309) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 11318542 + ... + 11459144.

Almost surely, 2^{1601305492329} is an apocalyptic number.

1601305492329 is the 1265427-th square number.

1601305492329 is the 632714-th centered octagonal number.

It is an amenable number.

1601305492329 is a deficient number, since it is larger than the sum of its proper divisors (790785157444).

1601305492329 is an frugal number, since it uses more digits than its factorization.

1601305492329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281218 (or 140606 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 1601305492329 in words is "one trillion, six hundred one billion, three hundred five million, four hundred ninety-two thousand, three hundred twenty-nine".