36520643353 has 4 divisors (see below), whose sum is σ = 36526931748. Its totient is φ = 36514354960.

The previous prime is 36520643351. The next prime is 36520643377. The reversal of 36520643353 is 35334602563.

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 26594107929 + 9926535424 = 163077^2 + 99632^2 .

It is a cyclic number.

It is not a de Polignac number, because 36520643353 - 2¹ = 36520643351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36520643351) 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, 3135478 + ... + 3147103.

It is an arithmetic number, because the mean of its divisors is an integer number (9131732937).

Almost surely, 2^36520643353 is an apocalyptic number.

It is an amenable number.

36520643353 is a deficient number, since it is larger than the sum of its proper divisors (6288395).

36520643353 is an equidigital number, since it uses as much as digits as its factorization.

36520643353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6288394.

The product of its (nonzero) digits is 583200, while the sum is 40.

The spelling of 36520643353 in words is "thirty-six billion, five hundred twenty million, six hundred forty-three thousand, three hundred fifty-three".