1333320979 has 2 divisors, whose sum is σ = 1333320980. Its totient is φ = 1333320978.

The previous prime is 1333320977. The next prime is 1333321039. The reversal of 1333320979 is 9790233331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1333320979 - 2¹ = 1333320977 is a prime.

Together with 1333320977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1333320977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666660489 + 666660490.

It is an arithmetic number, because the mean of its divisors is an integer number (666660490).

Almost surely, 2^1333320979 is an apocalyptic number.

1333320979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1333320979 is an equidigital number, since it uses as much as digits as its factorization.

1333320979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91854, while the sum is 40.

The square root of 1333320979 is about 36514.6679979430. The cubic root of 1333320979 is about 1100.6390168619.

The spelling of 1333320979 in words is "one billion, three hundred thirty-three million, three hundred twenty thousand, nine hundred seventy-nine".