36355252021 has 4 divisors (see below), whose sum is σ = 39660274944. Its totient is φ = 33050229100.

The previous prime is 36355252019. The next prime is 36355252081. The reversal of 36355252021 is 12025255363.

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 not a de Polignac number, because 36355252021 - 2¹ = 36355252019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36355252081) 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, 1652511445 + ... + 1652511466.

It is an arithmetic number, because the mean of its divisors is an integer number (9915068736).

Almost surely, 2^36355252021 is an apocalyptic number.

It is an amenable number.

36355252021 is a deficient number, since it is larger than the sum of its proper divisors (3305022923).

36355252021 is a wasteful number, since it uses less digits than its factorization.

36355252021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305022922.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 36355252021 in words is "thirty-six billion, three hundred fifty-five million, two hundred fifty-two thousand, twenty-one".