26940759919 has 2 divisors, whose sum is σ = 26940759920. Its totient is φ = 26940759918.

The previous prime is 26940759913. The next prime is 26940759931. The reversal of 26940759919 is 91995704962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26940759919 - 2¹³ = 26940751727 is a prime.

It is a super-2 number, since 2×26940759919² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26940759913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13470379959 + 13470379960.

It is an arithmetic number, because the mean of its divisors is an integer number (13470379960).

Almost surely, 2^26940759919 is an apocalyptic number.

26940759919 is a deficient number, since it is larger than the sum of its proper divisors (1).

26940759919 is an equidigital number, since it uses as much as digits as its factorization.

26940759919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11022480, while the sum is 61.

The spelling of 26940759919 in words is "twenty-six billion, nine hundred forty million, seven hundred fifty-nine thousand, nine hundred nineteen".