238105019 has 2 divisors, whose sum is σ = 238105020. Its totient is φ = 238105018.

The previous prime is 238105003. The next prime is 238105031. The reversal of 238105019 is 910501832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238105019 - 2⁴ = 238105003 is a prime.

It is a super-2 number, since 2×238105019² = 113388000145980722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 238104982 and 238105000.

It is not a weakly prime, because it can be changed into another prime (238105099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119052509 + 119052510.

It is an arithmetic number, because the mean of its divisors is an integer number (119052510).

Almost surely, 2^238105019 is an apocalyptic number.

238105019 is a deficient number, since it is larger than the sum of its proper divisors (1).

238105019 is an equidigital number, since it uses as much as digits as its factorization.

238105019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 238105019 is about 15430.6519304921. The cubic root of 238105019 is about 619.8065811855.

The spelling of 238105019 in words is "two hundred thirty-eight million, one hundred five thousand, nineteen".