1711320979 has 2 divisors, whose sum is σ = 1711320980. Its totient is φ = 1711320978.

The previous prime is 1711320971. The next prime is 1711321039. The reversal of 1711320979 is 9790231171.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1711320979 - 2³ = 1711320971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1711320971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 855660489 + 855660490.

It is an arithmetic number, because the mean of its divisors is an integer number (855660490).

Almost surely, 2^1711320979 is an apocalyptic number.

1711320979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1711320979 is an equidigital number, since it uses as much as digits as its factorization.

1711320979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 40.

The square root of 1711320979 is about 41368.1154876555. The cubic root of 1711320979 is about 1196.1266264423.

The spelling of 1711320979 in words is "one billion, seven hundred eleven million, three hundred twenty thousand, nine hundred seventy-nine".