235214445421 has 2 divisors, whose sum is σ = 235214445422. Its totient is φ = 235214445420.

The previous prime is 235214445379. The next prime is 235214445451. The reversal of 235214445421 is 124544412532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168399433225 + 66815012196 = 410365^2 + 258486^2 .

It is a cyclic number.

It is not a de Polignac number, because 235214445421 - 2¹³ = 235214437229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235214445451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117607222710 + 117607222711.

It is an arithmetic number, because the mean of its divisors is an integer number (117607222711).

Almost surely, 2^235214445421 is an apocalyptic number.

It is an amenable number.

235214445421 is a deficient number, since it is larger than the sum of its proper divisors (1).

235214445421 is an equidigital number, since it uses as much as digits as its factorization.

235214445421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153600, while the sum is 37.

Adding to 235214445421 its reverse (124544412532), we get a palindrome (359758857953).

The spelling of 235214445421 in words is "two hundred thirty-five billion, two hundred fourteen million, four hundred forty-five thousand, four hundred twenty-one".