4156644101 has 2 divisors, whose sum is σ = 4156644102. Its totient is φ = 4156644100.

The previous prime is 4156644073. The next prime is 4156644103. The reversal of 4156644101 is 1014466514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2740627201 + 1416016900 = 52351^2 + 37630^2 .

It is a cyclic number.

It is not a de Polignac number, because 4156644101 - 2¹⁰ = 4156643077 is a prime.

Together with 4156644103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4156644103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2078322050 + 2078322051.

It is an arithmetic number, because the mean of its divisors is an integer number (2078322051).

Almost surely, 2^4156644101 is an apocalyptic number.

It is an amenable number.

4156644101 is a deficient number, since it is larger than the sum of its proper divisors (1).

4156644101 is an equidigital number, since it uses as much as digits as its factorization.

4156644101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 4156644101 is about 64472.0412349415. The cubic root of 4156644101 is about 1607.8577143486.

The spelling of 4156644101 in words is "four billion, one hundred fifty-six million, six hundred forty-four thousand, one hundred one".