36263116781 has 2 divisors, whose sum is σ = 36263116782. Its totient is φ = 36263116780.

The previous prime is 36263116759. The next prime is 36263116807. The reversal of 36263116781 is 18761136263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34927872100 + 1335244681 = 186890^2 + 36541^2 .

It is a cyclic number.

It is not a de Polignac number, because 36263116781 - 2⁶ = 36263116717 is a prime.

It is a super-2 number, since 2×36263116781² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36263116081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18131558390 + 18131558391.

It is an arithmetic number, because the mean of its divisors is an integer number (18131558391).

Almost surely, 2^36263116781 is an apocalyptic number.

It is an amenable number.

36263116781 is a deficient number, since it is larger than the sum of its proper divisors (1).

36263116781 is an equidigital number, since it uses as much as digits as its factorization.

36263116781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The spelling of 36263116781 in words is "thirty-six billion, two hundred sixty-three million, one hundred sixteen thousand, seven hundred eighty-one".