2939494665474 has 12 divisors (see below), whose sum is σ = 6368905108566. Its totient is φ = 979831555152.

The previous prime is 2939494665473. The next prime is 2939494665511. The reversal of 2939494665474 is 4745664949392.

2939494665474 is a `hidden beast` number, since 2 + 9 + 3 + 9 + 4 + 94 + 6 + 65 + 474 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2939253080625 + 241584849 = 1714425^2 + 15543^2 .

It is not an unprimeable number, because it can be changed into a prime (2939494665473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81652629579 + ... + 81652629614.

Almost surely, 2^{2939494665474} is an apocalyptic number.

2939494665474 is an abundant number, since it is smaller than the sum of its proper divisors (3429410443092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2939494665474 is a wasteful number, since it uses less digits than its factorization.

2939494665474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163305259201 (or 163305259198 counting only the distinct ones).

The product of its digits is 1410877440, while the sum is 72.

The spelling of 2939494665474 in words is "two trillion, nine hundred thirty-nine billion, four hundred ninety-four million, six hundred sixty-five thousand, four hundred seventy-four".