36646873325 has 12 divisors (see below), whose sum is σ = 45448633140. Its totient is φ = 29313298560.

The previous prime is 36646873303. The next prime is 36646873331. The reversal of 36646873325 is 52337864663.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1432849609 + 35214023716 = 37853^2 + 187654^2 .

It is not a de Polignac number, because 36646873325 - 2⁶ = 36646873261 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79337 + ... + 282113.

It is an arithmetic number, because the mean of its divisors is an integer number (3787386095).

Almost surely, 2^36646873325 is an apocalyptic number.

It is an amenable number.

36646873325 is a deficient number, since it is larger than the sum of its proper divisors (8801759815).

36646873325 is a wasteful number, since it uses less digits than its factorization.

36646873325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210016 (or 210011 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 53.

The spelling of 36646873325 in words is "thirty-six billion, six hundred forty-six million, eight hundred seventy-three thousand, three hundred twenty-five".