36632420389 has 2 divisors, whose sum is σ = 36632420390. Its totient is φ = 36632420388.

The previous prime is 36632420339. The next prime is 36632420449. The reversal of 36632420389 is 98302423663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32406120289 + 4226300100 = 180017^2 + 65010^2 .

It is a cyclic number.

It is not a de Polignac number, because 36632420389 - 2¹⁵ = 36632387621 is a prime.

It is a super-2 number, since 2×36632420389² (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 (36632420309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18316210194 + 18316210195.

It is an arithmetic number, because the mean of its divisors is an integer number (18316210195).

Almost surely, 2^36632420389 is an apocalyptic number.

It is an amenable number.

36632420389 is a deficient number, since it is larger than the sum of its proper divisors (1).

36632420389 is an equidigital number, since it uses as much as digits as its factorization.

36632420389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 46.

The spelling of 36632420389 in words is "thirty-six billion, six hundred thirty-two million, four hundred twenty thousand, three hundred eighty-nine".