19908059 has 2 divisors, whose sum is σ = 19908060. Its totient is φ = 19908058.

The previous prime is 19908023. The next prime is 19908101. The reversal of 19908059 is 95080991.

It is a weak prime.

It is an emirp because it is prime and its reverse (95080991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19908059 - 2⁸ = 19907803 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (19901059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9954029 + 9954030.

It is an arithmetic number, because the mean of its divisors is an integer number (9954030).

Almost surely, 2^19908059 is an apocalyptic number.

19908059 is a deficient number, since it is larger than the sum of its proper divisors (1).

19908059 is an equidigital number, since it uses as much as digits as its factorization.

19908059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 41.

The square root of 19908059 is about 4461.8447978387. The cubic root of 19908059 is about 271.0251788718.

The spelling of 19908059 in words is "nineteen million, nine hundred eight thousand, fifty-nine".