2144315401 has 2 divisors, whose sum is σ = 2144315402. Its totient is φ = 2144315400.

The previous prime is 2144315399. The next prime is 2144315423. The reversal of 2144315401 is 1045134412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1607929801 + 536385600 = 40099^2 + 23160^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144315401 - 2¹ = 2144315399 is a prime.

Together with 2144315399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2144316401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072157700 + 1072157701.

It is an arithmetic number, because the mean of its divisors is an integer number (1072157701).

Almost surely, 2^2144315401 is an apocalyptic number.

It is an amenable number.

2144315401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144315401 is an equidigital number, since it uses as much as digits as its factorization.

2144315401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2144315401 is about 46306.7532979802. The cubic root of 2144315401 is about 1289.5243726601.

Adding to 2144315401 its reverse (1045134412), we get a palindrome (3189449813).

The spelling of 2144315401 in words is "two billion, one hundred forty-four million, three hundred fifteen thousand, four hundred one".