26200019 has 2 divisors, whose sum is σ = 26200020. Its totient is φ = 26200018.

The previous prime is 26200001. The next prime is 26200039. The reversal of 26200019 is 91000262.

It is an a-pointer prime, because the next prime (26200039) can be obtained adding 26200019 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26200019 - 2¹⁶ = 26134483 is a prime.

It is a super-2 number, since 2×26200019² = 1372881991200722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26200039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13100009 + 13100010.

It is an arithmetic number, because the mean of its divisors is an integer number (13100010).

Almost surely, 2^26200019 is an apocalyptic number.

26200019 is a deficient number, since it is larger than the sum of its proper divisors (1).

26200019 is an equidigital number, since it uses as much as digits as its factorization.

26200019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 26200019 is about 5118.5954128061. The cubic root of 26200019 is about 297.0073535649.

The spelling of 26200019 in words is "twenty-six million, two hundred thousand, nineteen".