2113140204397 has 2 divisors, whose sum is σ = 2113140204398. Its totient is φ = 2113140204396.

The previous prime is 2113140204389. The next prime is 2113140204419. The reversal of 2113140204397 is 7934020413112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2098946103076 + 14194101321 = 1448774^2 + 119139^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113140204397 - 2³ = 2113140204389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113140204347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056570102198 + 1056570102199.

It is an arithmetic number, because the mean of its divisors is an integer number (1056570102199).

Almost surely, 2^{2113140204397} is an apocalyptic number.

It is an amenable number.

2113140204397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113140204397 is an equidigital number, since it uses as much as digits as its factorization.

2113140204397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 2113140204397 in words is "two trillion, one hundred thirteen billion, one hundred forty million, two hundred four thousand, three hundred ninety-seven".