36437734673 has 2 divisors, whose sum is σ = 36437734674. Its totient is φ = 36437734672.

The previous prime is 36437734649. The next prime is 36437734727. The reversal of 36437734673 is 37643773463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35867814544 + 569920129 = 189388^2 + 23873^2 .

It is a cyclic number.

It is not a de Polignac number, because 36437734673 - 2²⁴ = 36420957457 is a prime.

It is not a weakly prime, because it can be changed into another prime (36430734673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18218867336 + 18218867337.

It is an arithmetic number, because the mean of its divisors is an integer number (18218867337).

Almost surely, 2^36437734673 is an apocalyptic number.

It is an amenable number.

36437734673 is a deficient number, since it is larger than the sum of its proper divisors (1).

36437734673 is an equidigital number, since it uses as much as digits as its factorization.

36437734673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16003008, while the sum is 53.

The spelling of 36437734673 in words is "thirty-six billion, four hundred thirty-seven million, seven hundred thirty-four thousand, six hundred seventy-three".