36890196481 has 2 divisors, whose sum is σ = 36890196482. Its totient is φ = 36890196480.

The previous prime is 36890196467. The next prime is 36890196619. The reversal of 36890196481 is 18469109863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27284432400 + 9605764081 = 165180^2 + 98009^2 .

It is a cyclic number.

It is not a de Polignac number, because 36890196481 - 2²¹ = 36888099329 is a prime.

It is a super-2 number, since 2×36890196481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36890196281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18445098240 + 18445098241.

It is an arithmetic number, because the mean of its divisors is an integer number (18445098241).

Almost surely, 2^36890196481 is an apocalyptic number.

It is an amenable number.

36890196481 is a deficient number, since it is larger than the sum of its proper divisors (1).

36890196481 is an equidigital number, since it uses as much as digits as its factorization.

36890196481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2239488, while the sum is 55.

The spelling of 36890196481 in words is "thirty-six billion, eight hundred ninety million, one hundred ninety-six thousand, four hundred eighty-one".