2112471019493 has 2 divisors, whose sum is σ = 2112471019494. Its totient is φ = 2112471019492.

The previous prime is 2112471019489. The next prime is 2112471019531. The reversal of 2112471019493 is 3949101742112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2095262040004 + 17208979489 = 1447502^2 + 131183^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112471019493 - 2² = 2112471019489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112471019793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056235509746 + 1056235509747.

It is an arithmetic number, because the mean of its divisors is an integer number (1056235509747).

Almost surely, 2^{2112471019493} is an apocalyptic number.

It is an amenable number.

2112471019493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112471019493 is an equidigital number, since it uses as much as digits as its factorization.

2112471019493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 2112471019493 in words is "two trillion, one hundred twelve billion, four hundred seventy-one million, nineteen thousand, four hundred ninety-three".