1402231309993 has 2 divisors, whose sum is σ = 1402231309994. Its totient is φ = 1402231309992.

The previous prime is 1402231309991. The next prime is 1402231310003. The reversal of 1402231309993 is 3999031322041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1084757661289 + 317473648704 = 1041517^2 + 563448^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402231309993 - 2¹ = 1402231309991 is a prime.

Together with 1402231309991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1402231309991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701115654996 + 701115654997.

It is an arithmetic number, because the mean of its divisors is an integer number (701115654997).

Almost surely, 2^{1402231309993} is an apocalyptic number.

It is an amenable number.

1402231309993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402231309993 is an equidigital number, since it uses as much as digits as its factorization.

1402231309993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 46.

The spelling of 1402231309993 in words is "one trillion, four hundred two billion, two hundred thirty-one million, three hundred nine thousand, nine hundred ninety-three".