1400773423321 has 2 divisors, whose sum is σ = 1400773423322. Its totient is φ = 1400773423320.

The previous prime is 1400773423297. The next prime is 1400773423393. The reversal of 1400773423321 is 1233243770041.

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., 1400757463296 + 15960025 = 1183536^2 + 3995^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400773423321 - 2¹⁷ = 1400773292249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1400773423921) 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, 700386711660 + 700386711661.

It is an arithmetic number, because the mean of its divisors is an integer number (700386711661).

Almost surely, 2^{1400773423321} is an apocalyptic number.

It is an amenable number.

1400773423321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400773423321 is an equidigital number, since it uses as much as digits as its factorization.

1400773423321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 37.

The spelling of 1400773423321 in words is "one trillion, four hundred billion, seven hundred seventy-three million, four hundred twenty-three thousand, three hundred twenty-one".