2142281551 has 2 divisors, whose sum is σ = 2142281552. Its totient is φ = 2142281550.

The previous prime is 2142281539. The next prime is 2142281587. The reversal of 2142281551 is 1551822412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2142281551 - 2⁹ = 2142281039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142281501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071140775 + 1071140776.

It is an arithmetic number, because the mean of its divisors is an integer number (1071140776).

Almost surely, 2^2142281551 is an apocalyptic number.

2142281551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142281551 is an equidigital number, since it uses as much as digits as its factorization.

2142281551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6400, while the sum is 31.

The square root of 2142281551 is about 46284.7874684545. The cubic root of 2142281551 is about 1289.1165457179.

The spelling of 2142281551 in words is "two billion, one hundred forty-two million, two hundred eighty-one thousand, five hundred fifty-one".