456536236021 has 2 divisors, whose sum is σ = 456536236022. Its totient is φ = 456536236020.

The previous prime is 456536235997. The next prime is 456536236049. The reversal of 456536236021 is 120632635654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 396125478225 + 60410757796 = 629385^2 + 245786^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-456536236021 is a prime.

It is a super-3 number, since 3×456536236021³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456536236061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228268118010 + 228268118011.

It is an arithmetic number, because the mean of its divisors is an integer number (228268118011).

Almost surely, 2^456536236021 is an apocalyptic number.

It is an amenable number.

456536236021 is a deficient number, since it is larger than the sum of its proper divisors (1).

456536236021 is an equidigital number, since it uses as much as digits as its factorization.

456536236021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 456536236021 in words is "four hundred fifty-six billion, five hundred thirty-six million, two hundred thirty-six thousand, twenty-one".