36647204873 has 4 divisors (see below), whose sum is σ = 36682682388. Its totient is φ = 36611727360.

The previous prime is 36647204849. The next prime is 36647204879. The reversal of 36647204873 is 37840274663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37840274663 = 5861 ⋅6456283.

It can be written as a sum of positive squares in 2 ways, for example, as 32302153984 + 4345050889 = 179728^2 + 65917^2 .

It is a cyclic number.

It is not a de Polignac number, because 36647204873 - 2¹⁰ = 36647203849 is a prime.

It is a super-2 number, since 2×36647204873² (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 (36647204879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17737208 + ... + 17739273.

It is an arithmetic number, because the mean of its divisors is an integer number (9170670597).

Almost surely, 2^36647204873 is an apocalyptic number.

It is an amenable number.

36647204873 is a deficient number, since it is larger than the sum of its proper divisors (35477515).

36647204873 is a wasteful number, since it uses less digits than its factorization.

36647204873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35477514.

The product of its (nonzero) digits is 4064256, while the sum is 50.

The spelling of 36647204873 in words is "thirty-six billion, six hundred forty-seven million, two hundred four thousand, eight hundred seventy-three".