26110306993 has 2 divisors, whose sum is σ = 26110306994. Its totient is φ = 26110306992.

The previous prime is 26110306973. The next prime is 26110307011. The reversal of 26110306993 is 39960301162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19829427489 + 6280879504 = 140817^2 + 79252^2 .

It is a cyclic number.

It is not a de Polignac number, because 26110306993 - 2¹³ = 26110298801 is a prime.

It is not a weakly prime, because it can be changed into another prime (26110306973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13055153496 + 13055153497.

It is an arithmetic number, because the mean of its divisors is an integer number (13055153497).

Almost surely, 2^26110306993 is an apocalyptic number.

It is an amenable number.

26110306993 is a deficient number, since it is larger than the sum of its proper divisors (1).

26110306993 is an equidigital number, since it uses as much as digits as its factorization.

26110306993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 40.

The spelling of 26110306993 in words is "twenty-six billion, one hundred ten million, three hundred six thousand, nine hundred ninety-three".