236146544021 has 2 divisors, whose sum is σ = 236146544022. Its totient is φ = 236146544020.

The previous prime is 236146544003. The next prime is 236146544057. The reversal of 236146544021 is 120445641632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158893120996 + 77253423025 = 398614^2 + 277945^2 .

It is a cyclic number.

It is not a de Polignac number, because 236146544021 - 2¹⁴ = 236146527637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (236146544321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118073272010 + 118073272011.

It is an arithmetic number, because the mean of its divisors is an integer number (118073272011).

Almost surely, 2^236146544021 is an apocalyptic number.

It is an amenable number.

236146544021 is a deficient number, since it is larger than the sum of its proper divisors (1).

236146544021 is an equidigital number, since it uses as much as digits as its factorization.

236146544021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 236146544021 in words is "two hundred thirty-six billion, one hundred forty-six million, five hundred forty-four thousand, twenty-one".