36616406389 has 2 divisors, whose sum is σ = 36616406390. Its totient is φ = 36616406388.

The previous prime is 36616406353. The next prime is 36616406441. The reversal of 36616406389 is 98360461663.

It is an a-pointer prime, because the next prime (36616406441) can be obtained adding 36616406389 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33190645489 + 3425760900 = 182183^2 + 58530^2 .

It is a cyclic number.

It is not a de Polignac number, because 36616406389 - 2⁷ = 36616406261 is a prime.

It is a super-2 number, since 2×36616406389² (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 (36616403389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18308203194 + 18308203195.

It is an arithmetic number, because the mean of its divisors is an integer number (18308203195).

Almost surely, 2^36616406389 is an apocalyptic number.

It is an amenable number.

36616406389 is a deficient number, since it is larger than the sum of its proper divisors (1).

36616406389 is an equidigital number, since it uses as much as digits as its factorization.

36616406389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3359232, while the sum is 52.

The spelling of 36616406389 in words is "thirty-six billion, six hundred sixteen million, four hundred six thousand, three hundred eighty-nine".