144214231421993 has 2 divisors, whose sum is σ = 144214231421994. Its totient is φ = 144214231421992.

The previous prime is 144214231421983. The next prime is 144214231422043. The reversal of 144214231421993 is 399124132412441.

It is an a-pointer prime, because the next prime (144214231422043) can be obtained adding 144214231421993 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116871926375824 + 27342305046169 = 10810732^2 + 5228987^2 .

It is a cyclic number.

It is not a de Polignac number, because 144214231421993 - 2²⁶ = 144214164313129 is a prime.

It is not a weakly prime, because it can be changed into another prime (144214231421933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72107115710996 + 72107115710997.

It is an arithmetic number, because the mean of its divisors is an integer number (72107115710997).

Almost surely, 2^{144214231421993} is an apocalyptic number.

It is an amenable number.

144214231421993 is a deficient number, since it is larger than the sum of its proper divisors (1).

144214231421993 is an equidigital number, since it uses as much as digits as its factorization.

144214231421993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 50.

The spelling of 144214231421993 in words is "one hundred forty-four trillion, two hundred fourteen billion, two hundred thirty-one million, four hundred twenty-one thousand, nine hundred ninety-three".