26010612997 has 2 divisors, whose sum is σ = 26010612998. Its totient is φ = 26010612996.

The previous prime is 26010612937. The next prime is 26010613051. The reversal of 26010612997 is 79921601062.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16384256001 + 9626356996 = 128001^2 + 98114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26010612997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26010612937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13005306498 + 13005306499.

It is an arithmetic number, because the mean of its divisors is an integer number (13005306499).

Almost surely, 2^26010612997 is an apocalyptic number.

It is an amenable number.

26010612997 is a deficient number, since it is larger than the sum of its proper divisors (1).

26010612997 is an equidigital number, since it uses as much as digits as its factorization.

26010612997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 26010612997 in words is "twenty-six billion, ten million, six hundred twelve thousand, nine hundred ninety-seven".