36502809673 has 12 divisors (see below), whose sum is σ = 40226118660. Its totient is φ = 33099022880.

The previous prime is 36502809647. The next prime is 36502809677. The reversal of 36502809673 is 37690820563.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19402539849 + 17100269824 = 139293^2 + 130768^2 .

It is not a de Polignac number, because 36502809673 - 2⁵ = 36502809641 is a prime.

It is a super-2 number, since 2×36502809673² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36502809677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340690 + ... + 434827.

It is an arithmetic number, because the mean of its divisors is an integer number (3352176555).

Almost surely, 2^36502809673 is an apocalyptic number.

It is an amenable number.

36502809673 is a deficient number, since it is larger than the sum of its proper divisors (3723308987).

36502809673 is a wasteful number, since it uses less digits than its factorization.

36502809673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775928 (or 775917 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 36502809673 in words is "thirty-six billion, five hundred two million, eight hundred nine thousand, six hundred seventy-three".