36746366981 has 2 divisors, whose sum is σ = 36746366982. Its totient is φ = 36746366980.

The previous prime is 36746366977. The next prime is 36746367029. The reversal of 36746366981 is 18966364763.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22089390625 + 14656976356 = 148625^2 + 121066^2 .

It is an emirp because it is prime and its reverse (18966364763) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36746366981 - 2² = 36746366977 is a prime.

It is a super-2 number, since 2×36746366981² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36746366981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36746366081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18373183490 + 18373183491.

It is an arithmetic number, because the mean of its divisors is an integer number (18373183491).

Almost surely, 2^36746366981 is an apocalyptic number.

It is an amenable number.

36746366981 is a deficient number, since it is larger than the sum of its proper divisors (1).

36746366981 is an equidigital number, since it uses as much as digits as its factorization.

36746366981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23514624, while the sum is 59.

The spelling of 36746366981 in words is "thirty-six billion, seven hundred forty-six million, three hundred sixty-six thousand, nine hundred eighty-one".