26626691419 has 2 divisors, whose sum is σ = 26626691420. Its totient is φ = 26626691418.

The previous prime is 26626691389. The next prime is 26626691431. The reversal of 26626691419 is 91419662662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26626691419 - 2¹¹ = 26626689371 is a prime.

It is a super-2 number, since 2×26626691419² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26626691519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13313345709 + 13313345710.

It is an arithmetic number, because the mean of its divisors is an integer number (13313345710).

Almost surely, 2^26626691419 is an apocalyptic number.

26626691419 is a deficient number, since it is larger than the sum of its proper divisors (1).

26626691419 is an equidigital number, since it uses as much as digits as its factorization.

26626691419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1679616, while the sum is 52.

The spelling of 26626691419 in words is "twenty-six billion, six hundred twenty-six million, six hundred ninety-one thousand, four hundred nineteen".