2144351332061 has 2 divisors, whose sum is σ = 2144351332062. Its totient is φ = 2144351332060.

The previous prime is 2144351332021. The next prime is 2144351332103. The reversal of 2144351332061 is 1602331534412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1890264767161 + 254086564900 = 1374869^2 + 504070^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144351332061 - 2²⁶ = 2144284223197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144351332021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072175666030 + 1072175666031.

It is an arithmetic number, because the mean of its divisors is an integer number (1072175666031).

Almost surely, 2^{2144351332061} is an apocalyptic number.

It is an amenable number.

2144351332061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144351332061 is an equidigital number, since it uses as much as digits as its factorization.

2144351332061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 2144351332061 its reverse (1602331534412), we get a palindrome (3746682866473).

The spelling of 2144351332061 in words is "two trillion, one hundred forty-four billion, three hundred fifty-one million, three hundred thirty-two thousand, sixty-one".