26693616233 has 2 divisors, whose sum is σ = 26693616234. Its totient is φ = 26693616232.

The previous prime is 26693616203. The next prime is 26693616343. The reversal of 26693616233 is 33261639662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25955787664 + 737828569 = 161108^2 + 27163^2 .

It is a cyclic number.

It is not a de Polignac number, because 26693616233 - 2³⁴ = 9513747049 is a prime.

It is a super-2 number, since 2×26693616233² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26693616203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13346808116 + 13346808117.

It is an arithmetic number, because the mean of its divisors is an integer number (13346808117).

Almost surely, 2^26693616233 is an apocalyptic number.

It is an amenable number.

26693616233 is a deficient number, since it is larger than the sum of its proper divisors (1).

26693616233 is an equidigital number, since it uses as much as digits as its factorization.

26693616233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1259712, while the sum is 47.

The spelling of 26693616233 in words is "twenty-six billion, six hundred ninety-three million, six hundred sixteen thousand, two hundred thirty-three".