36570422316521 has 4 divisors (see below), whose sum is σ = 36570437701200. Its totient is φ = 36570406931844.

The previous prime is 36570422316481. The next prime is 36570422316557. The reversal of 36570422316521 is 12561322407563.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36570422316521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36570422316581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3285011 + ... + 9161448.

It is an arithmetic number, because the mean of its divisors is an integer number (9142609425300).

Almost surely, 2^{36570422316521} is an apocalyptic number.

It is an amenable number.

36570422316521 is a deficient number, since it is larger than the sum of its proper divisors (15384679).

36570422316521 is a wasteful number, since it uses less digits than its factorization.

36570422316521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15384678.

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 36570422316521 in words is "thirty-six trillion, five hundred seventy billion, four hundred twenty-two million, three hundred sixteen thousand, five hundred twenty-one".