26771963441 has 2 divisors, whose sum is σ = 26771963442. Its totient is φ = 26771963440.

The previous prime is 26771963429. The next prime is 26771963507. The reversal of 26771963441 is 14436917762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20944167841 + 5827795600 = 144721^2 + 76340^2 .

It is a cyclic number.

It is not a de Polignac number, because 26771963441 - 2²⁶ = 26704854577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26771963441.

It is not a weakly prime, because it can be changed into another prime (26771963411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13385981720 + 13385981721.

It is an arithmetic number, because the mean of its divisors is an integer number (13385981721).

Almost surely, 2^26771963441 is an apocalyptic number.

It is an amenable number.

26771963441 is a deficient number, since it is larger than the sum of its proper divisors (1).

26771963441 is an equidigital number, since it uses as much as digits as its factorization.

26771963441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 50.

The spelling of 26771963441 in words is "twenty-six billion, seven hundred seventy-one million, nine hundred sixty-three thousand, four hundred forty-one".