1992966979 has 2 divisors, whose sum is σ = 1992966980. Its totient is φ = 1992966978.

The previous prime is 1992966869. The next prime is 1992967021. The reversal of 1992966979 is 9796692991.

It is a strong prime.

It is an emirp because it is prime and its reverse (9796692991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1992966979 - 2¹¹ = 1992964931 is a prime.

It is not a weakly prime, because it can be changed into another prime (1992960979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 996483489 + 996483490.

It is an arithmetic number, because the mean of its divisors is an integer number (996483490).

Almost surely, 2^1992966979 is an apocalyptic number.

1992966979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1992966979 is an equidigital number, since it uses as much as digits as its factorization.

1992966979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29760696, while the sum is 67.

The square root of 1992966979 is about 44642.6587357877. The cubic root of 1992966979 is about 1258.4424735280.

The spelling of 1992966979 in words is "one billion, nine hundred ninety-two million, nine hundred sixty-six thousand, nine hundred seventy-nine".