36437073637 has 2 divisors, whose sum is σ = 36437073638. Its totient is φ = 36437073636.

The previous prime is 36437073599. The next prime is 36437073649. The reversal of 36437073637 is 73637073463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30537912001 + 5899161636 = 174751^2 + 76806^2 .

It is a cyclic number.

It is not a de Polignac number, because 36437073637 - 2¹⁵ = 36437040869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36437073677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18218536818 + 18218536819.

It is an arithmetic number, because the mean of its divisors is an integer number (18218536819).

Almost surely, 2^36437073637 is an apocalyptic number.

It is an amenable number.

36437073637 is a deficient number, since it is larger than the sum of its proper divisors (1).

36437073637 is an equidigital number, since it uses as much as digits as its factorization.

36437073637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4000752, while the sum is 49.

The spelling of 36437073637 in words is "thirty-six billion, four hundred thirty-seven million, seventy-three thousand, six hundred thirty-seven".