26433730157 has 2 divisors, whose sum is σ = 26433730158. Its totient is φ = 26433730156.

The previous prime is 26433730121. The next prime is 26433730241. The reversal of 26433730157 is 75103733462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20722754116 + 5710976041 = 143954^2 + 75571^2 .

It is a cyclic number.

It is not a de Polignac number, because 26433730157 - 2⁸ = 26433729901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26433730657) 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, 13216865078 + 13216865079.

It is an arithmetic number, because the mean of its divisors is an integer number (13216865079).

Almost surely, 2^26433730157 is an apocalyptic number.

It is an amenable number.

26433730157 is a deficient number, since it is larger than the sum of its proper divisors (1).

26433730157 is an equidigital number, since it uses as much as digits as its factorization.

26433730157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 41.

The spelling of 26433730157 in words is "twenty-six billion, four hundred thirty-three million, seven hundred thirty thousand, one hundred fifty-seven".