436226261893 has 2 divisors, whose sum is σ = 436226261894. Its totient is φ = 436226261892.

The previous prime is 436226261881. The next prime is 436226261903. The reversal of 436226261893 is 398162622634.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339058150369 + 97168111524 = 582287^2 + 311718^2 .

It is a cyclic number.

It is not a de Polignac number, because 436226261893 - 2²¹ = 436224164741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 436226261893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (436226261833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218113130946 + 218113130947.

It is an arithmetic number, because the mean of its divisors is an integer number (218113130947).

Almost surely, 2^436226261893 is an apocalyptic number.

It is an amenable number.

436226261893 is a deficient number, since it is larger than the sum of its proper divisors (1).

436226261893 is an equidigital number, since it uses as much as digits as its factorization.

436226261893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4478976, while the sum is 52.

The spelling of 436226261893 in words is "four hundred thirty-six billion, two hundred twenty-six million, two hundred sixty-one thousand, eight hundred ninety-three".