13453996092821 has 2 divisors, whose sum is σ = 13453996092822. Its totient is φ = 13453996092820.

The previous prime is 13453996092751. The next prime is 13453996092827. The reversal of 13453996092821 is 12829069935431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11901016546225 + 1552979546596 = 3449785^2 + 1246186^2 .

It is a cyclic number.

It is not a de Polignac number, because 13453996092821 - 2²² = 13453991898517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13453996092827) 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, 6726998046410 + 6726998046411.

It is an arithmetic number, because the mean of its divisors is an integer number (6726998046411).

Almost surely, 2^{13453996092821} is an apocalyptic number.

It is an amenable number.

13453996092821 is a deficient number, since it is larger than the sum of its proper divisors (1).

13453996092821 is an equidigital number, since it uses as much as digits as its factorization.

13453996092821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25194240, while the sum is 62.

The spelling of 13453996092821 in words is "thirteen trillion, four hundred fifty-three billion, nine hundred ninety-six million, ninety-two thousand, eight hundred twenty-one".