26436782971 has 2 divisors, whose sum is σ = 26436782972. Its totient is φ = 26436782970.

The previous prime is 26436782959. The next prime is 26436782993. The reversal of 26436782971 is 17928763462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26436782971 - 2⁹ = 26436782459 is a prime.

It is not a weakly prime, because it can be changed into another prime (26436782941) 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, 13218391485 + 13218391486.

It is an arithmetic number, because the mean of its divisors is an integer number (13218391486).

Almost surely, 2^26436782971 is an apocalyptic number.

26436782971 is a deficient number, since it is larger than the sum of its proper divisors (1).

26436782971 is an equidigital number, since it uses as much as digits as its factorization.

26436782971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 55.

The spelling of 26436782971 in words is "twenty-six billion, four hundred thirty-six million, seven hundred eighty-two thousand, nine hundred seventy-one".