11453462321993 has 2 divisors, whose sum is σ = 11453462321994. Its totient is φ = 11453462321992.

The previous prime is 11453462321953. The next prime is 11453462322007. The reversal of 11453462321993 is 39912326435411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10862581080649 + 590881241344 = 3295843^2 + 768688^2 .

It is a cyclic number.

It is not a de Polignac number, because 11453462321993 - 2⁸ = 11453462321737 is a prime.

It is a super-2 number, since 2×11453462321993² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11453462321953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5726731160996 + 5726731160997.

It is an arithmetic number, because the mean of its divisors is an integer number (5726731160997).

Almost surely, 2^{11453462321993} is an apocalyptic number.

It is an amenable number.

11453462321993 is a deficient number, since it is larger than the sum of its proper divisors (1).

11453462321993 is an equidigital number, since it uses as much as digits as its factorization.

11453462321993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4199040, while the sum is 53.

The spelling of 11453462321993 in words is "eleven trillion, four hundred fifty-three billion, four hundred sixty-two million, three hundred twenty-one thousand, nine hundred ninety-three".