26842619 has 2 divisors, whose sum is σ = 26842620. Its totient is φ = 26842618.

The previous prime is 26842601. The next prime is 26842663. The reversal of 26842619 is 91624862.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26842619 is a prime.

It is a super-2 number, since 2×26842619² = 1441052389558322, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (26802619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13421309 + 13421310.

It is an arithmetic number, because the mean of its divisors is an integer number (13421310).

Almost surely, 2^26842619 is an apocalyptic number.

26842619 is a deficient number, since it is larger than the sum of its proper divisors (1).

26842619 is an equidigital number, since it uses as much as digits as its factorization.

26842619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 38.

The square root of 26842619 is about 5180.9862960637. The cubic root of 26842619 is about 299.4159711797.

The spelling of 26842619 in words is "twenty-six million, eight hundred forty-two thousand, six hundred nineteen".