1402234544281 has 2 divisors, whose sum is σ = 1402234544282. Its totient is φ = 1402234544280.

The previous prime is 1402234544279. The next prime is 1402234544297. The reversal of 1402234544281 is 1824454322041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 820004502681 + 582230041600 = 905541^2 + 763040^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402234544281 - 2¹ = 1402234544279 is a prime.

It is a super-2 number, since 2×1402234544281² (a number of 25 digits) contains 22 as substring.

Together with 1402234544279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1402234542281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701117272140 + 701117272141.

It is an arithmetic number, because the mean of its divisors is an integer number (701117272141).

Almost surely, 2^{1402234544281} is an apocalyptic number.

It is an amenable number.

1402234544281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402234544281 is an equidigital number, since it uses as much as digits as its factorization.

1402234544281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 245760, while the sum is 40.

The spelling of 1402234544281 in words is "one trillion, four hundred two billion, two hundred thirty-four million, five hundred forty-four thousand, two hundred eighty-one".