2154344041 has 2 divisors, whose sum is σ = 2154344042. Its totient is φ = 2154344040.

The previous prime is 2154344021. The next prime is 2154344047. The reversal of 2154344041 is 1404434512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1634504041 + 519840000 = 40429^2 + 22800^2 .

It is a cyclic number.

It is not a de Polignac number, because 2154344041 - 2¹³ = 2154335849 is a prime.

It is not a weakly prime, because it can be changed into another prime (2154344047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077172020 + 1077172021.

It is an arithmetic number, because the mean of its divisors is an integer number (1077172021).

Almost surely, 2^2154344041 is an apocalyptic number.

It is an amenable number.

2154344041 is a deficient number, since it is larger than the sum of its proper divisors (1).

2154344041 is an equidigital number, since it uses as much as digits as its factorization.

2154344041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 2154344041 is about 46414.9118387615. The cubic root of 2154344041 is about 1291.5315505385.

Adding to 2154344041 its reverse (1404434512), we get a palindrome (3558778553).

The spelling of 2154344041 in words is "two billion, one hundred fifty-four million, three hundred forty-four thousand, forty-one".