26622194507 has 2 divisors, whose sum is σ = 26622194508. Its totient is φ = 26622194506.

The previous prime is 26622194479. The next prime is 26622194513. The reversal of 26622194507 is 70549122662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26622194507 - 2¹⁰ = 26622193483 is a prime.

It is not a weakly prime, because it can be changed into another prime (26622194107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13311097253 + 13311097254.

It is an arithmetic number, because the mean of its divisors is an integer number (13311097254).

Almost surely, 2^26622194507 is an apocalyptic number.

26622194507 is a deficient number, since it is larger than the sum of its proper divisors (1).

26622194507 is an equidigital number, since it uses as much as digits as its factorization.

26622194507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 26622194507 in words is "twenty-six billion, six hundred twenty-two million, one hundred ninety-four thousand, five hundred seven".