2142066077 has 2 divisors, whose sum is σ = 2142066078. Its totient is φ = 2142066076.

The previous prime is 2142066071. The next prime is 2142066131. The reversal of 2142066077 is 7706602412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2033468836 + 108597241 = 45094^2 + 10421^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142066077 - 2⁶ = 2142066013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142066071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071033038 + 1071033039.

It is an arithmetic number, because the mean of its divisors is an integer number (1071033039).

Almost surely, 2^2142066077 is an apocalyptic number.

It is an amenable number.

2142066077 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142066077 is an equidigital number, since it uses as much as digits as its factorization.

2142066077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 2142066077 is about 46282.4597120767. The cubic root of 2142066077 is about 1289.0733238218.

Adding to 2142066077 its reverse (7706602412), we get a palindrome (9848668489).

The spelling of 2142066077 in words is "two billion, one hundred forty-two million, sixty-six thousand, seventy-seven".