26955341969 has 2 divisors, whose sum is σ = 26955341970. Its totient is φ = 26955341968.

The previous prime is 26955341951. The next prime is 26955341983. The reversal of 26955341969 is 96914355962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18916426369 + 8038915600 = 137537^2 + 89660^2 .

It is a cyclic number.

It is not a de Polignac number, because 26955341969 - 2¹⁶ = 26955276433 is a prime.

It is a super-2 number, since 2×26955341969² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26955341869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13477670984 + 13477670985.

It is an arithmetic number, because the mean of its divisors is an integer number (13477670985).

Almost surely, 2^26955341969 is an apocalyptic number.

It is an amenable number.

26955341969 is a deficient number, since it is larger than the sum of its proper divisors (1).

26955341969 is an equidigital number, since it uses as much as digits as its factorization.

26955341969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15746400, while the sum is 59.

The spelling of 26955341969 in words is "twenty-six billion, nine hundred fifty-five million, three hundred forty-one thousand, nine hundred sixty-nine".