36505673626249 has 4 divisors (see below), whose sum is σ = 36524176250436. Its totient is φ = 36487171002064.

The previous prime is 36505673626189. The next prime is 36505673626283. The reversal of 36505673626249 is 94262637650563.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15924090250000 + 20581583376249 = 3990500^2 + 4536693^2 .

It is a cyclic number.

It is not a de Polignac number, because 36505673626249 - 2¹⁷ = 36505673495177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36505673626049) 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, 9251309134 + ... + 9251313079.

It is an arithmetic number, because the mean of its divisors is an integer number (9131044062609).

Almost surely, 2^{36505673626249} is an apocalyptic number.

It is an amenable number.

36505673626249 is a deficient number, since it is larger than the sum of its proper divisors (18502624187).

36505673626249 is a wasteful number, since it uses less digits than its factorization.

36505673626249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18502624186.

The product of its (nonzero) digits is 293932800, while the sum is 64.

The spelling of 36505673626249 in words is "thirty-six trillion, five hundred five billion, six hundred seventy-three million, six hundred twenty-six thousand, two hundred forty-nine".