36363425521 has 4 divisors (see below), whose sum is σ = 36581170752. Its totient is φ = 36145680292.

The previous prime is 36363425513. The next prime is 36363425543. The reversal of 36363425521 is 12552436363.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12552436363 = 29153 ⋅430571.

It is a cyclic number.

It is not a de Polignac number, because 36363425521 - 2³ = 36363425513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36363425621) 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, 108872365 + ... + 108872698.

It is an arithmetic number, because the mean of its divisors is an integer number (9145292688).

Almost surely, 2^36363425521 is an apocalyptic number.

It is an amenable number.

36363425521 is a deficient number, since it is larger than the sum of its proper divisors (217745231).

36363425521 is a wasteful number, since it uses less digits than its factorization.

36363425521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217745230.

The product of its digits is 388800, while the sum is 40.

The spelling of 36363425521 in words is "thirty-six billion, three hundred sixty-three million, four hundred twenty-five thousand, five hundred twenty-one".