235445010421 has 2 divisors, whose sum is σ = 235445010422. Its totient is φ = 235445010420.

The previous prime is 235445010349. The next prime is 235445010433. The reversal of 235445010421 is 124010544532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227057015025 + 8387995396 = 476505^2 + 91586^2 .

It is a cyclic number.

It is not a de Polignac number, because 235445010421 - 2⁹ = 235445009909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235446010421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117722505210 + 117722505211.

It is an arithmetic number, because the mean of its divisors is an integer number (117722505211).

Almost surely, 2^235445010421 is an apocalyptic number.

It is an amenable number.

235445010421 is a deficient number, since it is larger than the sum of its proper divisors (1).

235445010421 is an equidigital number, since it uses as much as digits as its factorization.

235445010421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 235445010421 its reverse (124010544532), we get a palindrome (359455554953).

The spelling of 235445010421 in words is "two hundred thirty-five billion, four hundred forty-five million, ten thousand, four hundred twenty-one".