26632748497 has 2 divisors, whose sum is σ = 26632748498. Its totient is φ = 26632748496.

The previous prime is 26632748459. The next prime is 26632748509. The reversal of 26632748497 is 79484723662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24599099281 + 2033649216 = 156841^2 + 45096^2 .

It is a cyclic number.

It is not a de Polignac number, because 26632748497 - 2¹¹ = 26632746449 is a prime.

It is not a weakly prime, because it can be changed into another prime (26632743497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13316374248 + 13316374249.

It is an arithmetic number, because the mean of its divisors is an integer number (13316374249).

Almost surely, 2^26632748497 is an apocalyptic number.

It is an amenable number.

26632748497 is a deficient number, since it is larger than the sum of its proper divisors (1).

26632748497 is an equidigital number, since it uses as much as digits as its factorization.

26632748497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24385536, while the sum is 58.

The spelling of 26632748497 in words is "twenty-six billion, six hundred thirty-two million, seven hundred forty-eight thousand, four hundred ninety-seven".