2146992794047 has 2 divisors, whose sum is σ = 2146992794048. Its totient is φ = 2146992794046.

The previous prime is 2146992793997. The next prime is 2146992794057. The reversal of 2146992794047 is 7404972996412.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2146992794047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2146992794047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2146992794057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073496397023 + 1073496397024.

It is an arithmetic number, because the mean of its divisors is an integer number (1073496397024).

Almost surely, 2^{2146992794047} is an apocalyptic number.

2146992794047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2146992794047 is an equidigital number, since it uses as much as digits as its factorization.

2146992794047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54867456, while the sum is 64.

The spelling of 2146992794047 in words is "two trillion, one hundred forty-six billion, nine hundred ninety-two million, seven hundred ninety-four thousand, forty-seven".