1330768379 has 6 divisors (see below), whose sum is σ = 1404495540. Its totient is φ = 1260727596.

The previous prime is 1330768367. The next prime is 1330768393. The reversal of 1330768379 is 9738670331.

It is not a de Polignac number, because 1330768379 - 2¹² = 1330764283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330768399) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1842809 + ... + 1843530.

It is an arithmetic number, because the mean of its divisors is an integer number (234082590).

Almost surely, 2^1330768379 is an apocalyptic number.

1330768379 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1330768379 is a deficient number, since it is larger than the sum of its proper divisors (73727161).

1330768379 is an equidigital number, since it uses as much as digits as its factorization.

1330768379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3686377 (or 3686358 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 47.

The square root of 1330768379 is about 36479.6981758347. The cubic root of 1330768379 is about 1099.9361888604.

The spelling of 1330768379 in words is "one billion, three hundred thirty million, seven hundred sixty-eight thousand, three hundred seventy-nine".