2939949178384 has 15 divisors (see below), whose sum is σ = 5696164821517. Its totient is φ = 1469971159936.

The previous prime is 2939949178373. The next prime is 2939949178391. The reversal of 2939949178384 is 4838719499392.

It is a happy number.

The square root of 2939949178384 is 1714628.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1270354410000 + 1669594768384 = 1127100^2 + 1292128^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2939949178384.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6644184 + ... + 7072840.

Almost surely, 2^{2939949178384} is an apocalyptic number.

2939949178384 is the 1714628-th square number.

It is an amenable number.

2939949178384 is a deficient number, since it is larger than the sum of its proper divisors (2756215643133).

2939949178384 is an frugal number, since it uses more digits than its factorization.

2939949178384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857322 (or 428659 counting only the distinct ones).

The product of its digits is 846526464, while the sum is 76.

The spelling of 2939949178384 in words is "two trillion, nine hundred thirty-nine billion, nine hundred forty-nine million, one hundred seventy-eight thousand, three hundred eighty-four".