2013455351993 has 2 divisors, whose sum is σ = 2013455351994. Its totient is φ = 2013455351992.

The previous prime is 2013455351983. The next prime is 2013455352017. The reversal of 2013455351993 is 3991535543102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1761799619584 + 251655732409 = 1327328^2 + 501653^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013455351993 - 2⁴ = 2013455351977 is a prime.

It is not a weakly prime, because it can be changed into another prime (2013455351903) 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, 1006727675996 + 1006727675997.

It is an arithmetic number, because the mean of its divisors is an integer number (1006727675997).

Almost surely, 2^{2013455351993} is an apocalyptic number.

It is an amenable number.

2013455351993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013455351993 is an equidigital number, since it uses as much as digits as its factorization.

2013455351993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2187000, while the sum is 50.

The spelling of 2013455351993 in words is "two trillion, thirteen billion, four hundred fifty-five million, three hundred fifty-one thousand, nine hundred ninety-three".