1330944169 has 2 divisors, whose sum is σ = 1330944170. Its totient is φ = 1330944168.

The previous prime is 1330944163. The next prime is 1330944179. The reversal of 1330944169 is 9614490331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1310802025 + 20142144 = 36205^2 + 4488^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330944169 - 2²³ = 1322555561 is a prime.

It is a super-2 number, since 2×1330944169² = 3542824761990201122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1330944163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665472084 + 665472085.

It is an arithmetic number, because the mean of its divisors is an integer number (665472085).

Almost surely, 2^1330944169 is an apocalyptic number.

It is an amenable number.

1330944169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330944169 is an equidigital number, since it uses as much as digits as its factorization.

1330944169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 1330944169 is about 36482.1075186179. The cubic root of 1330944169 is about 1099.9846193442.

The spelling of 1330944169 in words is "one billion, three hundred thirty million, nine hundred forty-four thousand, one hundred sixty-nine".