1401002042441 has 2 divisors, whose sum is σ = 1401002042442. Its totient is φ = 1401002042440.

The previous prime is 1401002042393. The next prime is 1401002042449. The reversal of 1401002042441 is 1442402001041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 850445462416 + 550556580025 = 922196^2 + 741995^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401002042441 - 2³⁸ = 1126124135497 is a prime.

It is not a weakly prime, because it can be changed into another prime (1401002042449) 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, 700501021220 + 700501021221.

It is an arithmetic number, because the mean of its divisors is an integer number (700501021221).

Almost surely, 2^{1401002042441} is an apocalyptic number.

It is an amenable number.

1401002042441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401002042441 is an equidigital number, since it uses as much as digits as its factorization.

1401002042441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 1401002042441 its reverse (1442402001041), we get a palindrome (2843404043482).

The spelling of 1401002042441 in words is "one trillion, four hundred one billion, two million, forty-two thousand, four hundred forty-one".