36890273881 has 2 divisors, whose sum is σ = 36890273882. Its totient is φ = 36890273880.

The previous prime is 36890273879. The next prime is 36890273969. The reversal of 36890273881 is 18837209863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36458465481 + 431808400 = 190941^2 + 20780^2 .

It is a cyclic number.

It is not a de Polignac number, because 36890273881 - 2¹ = 36890273879 is a prime.

It is a super-2 number, since 2×36890273881² (a number of 22 digits) contains 22 as substring.

Together with 36890273879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (36890273681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18445136940 + 18445136941.

It is an arithmetic number, because the mean of its divisors is an integer number (18445136941).

Almost surely, 2^36890273881 is an apocalyptic number.

It is an amenable number.

36890273881 is a deficient number, since it is larger than the sum of its proper divisors (1).

36890273881 is an equidigital number, since it uses as much as digits as its factorization.

36890273881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 36890273881 in words is "thirty-six billion, eight hundred ninety million, two hundred seventy-three thousand, eight hundred eighty-one".