26620402433 has 2 divisors, whose sum is σ = 26620402434. Its totient is φ = 26620402432.

The previous prime is 26620402411. The next prime is 26620402439. The reversal of 26620402433 is 33420402662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16521760369 + 10098642064 = 128537^2 + 100492^2 .

It is a cyclic number.

It is not a de Polignac number, because 26620402433 - 2¹⁴ = 26620386049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26620402433.

It is not a weakly prime, because it can be changed into another prime (26620402439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13310201216 + 13310201217.

It is an arithmetic number, because the mean of its divisors is an integer number (13310201217).

Almost surely, 2^26620402433 is an apocalyptic number.

It is an amenable number.

26620402433 is a deficient number, since it is larger than the sum of its proper divisors (1).

26620402433 is an equidigital number, since it uses as much as digits as its factorization.

26620402433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 32.

The spelling of 26620402433 in words is "twenty-six billion, six hundred twenty million, four hundred two thousand, four hundred thirty-three".