2122453138073 has 2 divisors, whose sum is σ = 2122453138074. Its totient is φ = 2122453138072.

The previous prime is 2122453138063. The next prime is 2122453138087. The reversal of 2122453138073 is 3708313542212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1076879401984 + 1045573736089 = 1037728^2 + 1022533^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122453138073 - 2²⁶ = 2122386029209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2122453138073.

It is not a weakly prime, because it can be changed into another prime (2122453138063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061226569036 + 1061226569037.

It is an arithmetic number, because the mean of its divisors is an integer number (1061226569037).

Almost surely, 2^{2122453138073} is an apocalyptic number.

It is an amenable number.

2122453138073 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122453138073 is an equidigital number, since it uses as much as digits as its factorization.

2122453138073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 2122453138073 in words is "two trillion, one hundred twenty-two billion, four hundred fifty-three million, one hundred thirty-eight thousand, seventy-three".