104650019 has 2 divisors, whose sum is σ = 104650020. Its totient is φ = 104650018.

The previous prime is 104649989. The next prime is 104650031. The reversal of 104650019 is 910056401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104650019 is a prime.

It is a super-2 number, since 2×104650019² = 21903252953400722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104650019.

It is not a weakly prime, because it can be changed into another prime (104650219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52325009 + 52325010.

It is an arithmetic number, because the mean of its divisors is an integer number (52325010).

Almost surely, 2^104650019 is an apocalyptic number.

104650019 is a deficient number, since it is larger than the sum of its proper divisors (1).

104650019 is an equidigital number, since it uses as much as digits as its factorization.

104650019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 104650019 is about 10229.8591876917. The cubic root of 104650019 is about 471.2446548186.

The spelling of 104650019 in words is "one hundred four million, six hundred fifty thousand, nineteen".