2136442877 has 2 divisors, whose sum is σ = 2136442878. Its totient is φ = 2136442876.

The previous prime is 2136442873. The next prime is 2136442901. The reversal of 2136442877 is 7782446312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2110575481 + 25867396 = 45941^2 + 5086^2 .

It is a cyclic number.

It is not a de Polignac number, because 2136442877 - 2² = 2136442873 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2136442873) 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, 1068221438 + 1068221439.

It is an arithmetic number, because the mean of its divisors is an integer number (1068221439).

Almost surely, 2^2136442877 is an apocalyptic number.

It is an amenable number.

2136442877 is a deficient number, since it is larger than the sum of its proper divisors (1).

2136442877 is an equidigital number, since it uses as much as digits as its factorization.

2136442877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 44.

The square root of 2136442877 is about 46221.6710753733. The cubic root of 2136442877 is about 1287.9443407030.

The spelling of 2136442877 in words is "two billion, one hundred thirty-six million, four hundred forty-two thousand, eight hundred seventy-seven".