2939894768943 has 24 divisors (see below), whose sum is σ = 4670847104976. Its totient is φ = 1781754398160.

The previous prime is 2939894768933. The next prime is 2939894769037. The reversal of 2939894768943 is 3498674989392.

2939894768943 is a `hidden beast` number, since 29 + 3 + 9 + 8 + 9 + 476 + 89 + 43 = 666.

It is not a de Polignac number, because 2939894768943 - 2¹⁴ = 2939894752559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2939894768903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122698380 + ... + 122722337.

It is an arithmetic number, because the mean of its divisors is an integer number (194618629374).

Almost surely, 2^{2939894768943} is an apocalyptic number.

2939894768943 is a deficient number, since it is larger than the sum of its proper divisors (1730952336033).

2939894768943 is a wasteful number, since it uses less digits than its factorization.

2939894768943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245420756 (or 245420731 counting only the distinct ones).

The product of its digits is 5079158784, while the sum is 81.

The spelling of 2939894768943 in words is "two trillion, nine hundred thirty-nine billion, eight hundred ninety-four million, seven hundred sixty-eight thousand, nine hundred forty-three".