26936517493819 has 2 divisors, whose sum is σ = 26936517493820. Its totient is φ = 26936517493818.

The previous prime is 26936517493793. The next prime is 26936517493841. The reversal of 26936517493819 is 91839471563962.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26936517493819 - 2¹⁷ = 26936517362747 is a prime.

It is a super-2 number, since 2×26936517493819² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26936517493849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13468258746909 + 13468258746910.

It is an arithmetic number, because the mean of its divisors is an integer number (13468258746910).

Almost surely, 2^{26936517493819} is an apocalyptic number.

26936517493819 is a deficient number, since it is larger than the sum of its proper divisors (1).

26936517493819 is an equidigital number, since it uses as much as digits as its factorization.

26936517493819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 529079040, while the sum is 73.

The spelling of 26936517493819 in words is "twenty-six trillion, nine hundred thirty-six billion, five hundred seventeen million, four hundred ninety-three thousand, eight hundred nineteen".