330928743953809 has 7 divisors (see below), whose sum is σ = 332191830762793. Its totient is φ = 329670459756266.

The previous prime is 330928743953791. The next prime is 330928743953887. The reversal of 330928743953809 is 908359347829033.

The square root of 330928743953809 is 18191447.

The cubic root of 330928743953809 is 69169.

It is a perfect power (a square, a cube, a 6-th power), and thus also a powerful number.

It is not a de Polignac number, because 330928743953809 - 2⁵ = 330928743953777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330928743953009) by changing a digit.

It is a polite number, since it can be written in 6 ways as a sum of consecutive naturals, for example, 1258284197412 + ... + 1258284197674.

Almost surely, 2^{330928743953809} is an apocalyptic number.

330928743953809 is the 18191447-th square number.

330928743953809 is the 9095724-th centered octagonal number.

It is an amenable number.

330928743953809 is a deficient number, since it is larger than the sum of its proper divisors (1263086808984).

330928743953809 is an frugal number, since it uses more digits than its factorization.

330928743953809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 1058158080, while the sum is 73.

The spelling of 330928743953809 in words is "three hundred thirty trillion, nine hundred twenty-eight billion, seven hundred forty-three million, nine hundred fifty-three thousand, eight hundred nine".