1401210344441 has 2 divisors, whose sum is σ = 1401210344442. Its totient is φ = 1401210344440.

The previous prime is 1401210344383. The next prime is 1401210344449. The reversal of 1401210344441 is 1444430121041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1072061443216 + 329148901225 = 1035404^2 + 573715^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401210344441 - 2¹⁸ = 1401210082297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1401210344449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700605172220 + 700605172221.

It is an arithmetic number, because the mean of its divisors is an integer number (700605172221).

Almost surely, 2^{1401210344441} is an apocalyptic number.

It is an amenable number.

1401210344441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401210344441 is an equidigital number, since it uses as much as digits as its factorization.

1401210344441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 1401210344441 its reverse (1444430121041), we get a palindrome (2845640465482).

The spelling of 1401210344441 in words is "one trillion, four hundred one billion, two hundred ten million, three hundred forty-four thousand, four hundred forty-one".