19979083 has 2 divisors, whose sum is σ = 19979084. Its totient is φ = 19979082.

The previous prime is 19979081. The next prime is 19979101. The reversal of 19979083 is 38097991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19979083 - 2¹ = 19979081 is a prime.

Together with 19979081, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (19979081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9989541 + 9989542.

It is an arithmetic number, because the mean of its divisors is an integer number (9989542).

Almost surely, 2^19979083 is an apocalyptic number.

19979083 is a deficient number, since it is larger than the sum of its proper divisors (1).

19979083 is an equidigital number, since it uses as much as digits as its factorization.

19979083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 19979083 is about 4469.7967515313. The cubic root of 19979083 is about 271.3470995289.

The spelling of 19979083 in words is "nineteen million, nine hundred seventy-nine thousand, eighty-three".