2981378404 has 27 divisors (see below), whose sum is σ = 5458717747. Its totient is φ = 1424675384.

The previous prime is 2981378377. The next prime is 2981378441. The reversal of 2981378404 is 4048731892.

The square root of 2981378404 is 54602.

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

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2511099 + ... + 2512285.

Almost surely, 2^2981378404 is an apocalyptic number.

2981378404 is the 54602-nd square number.

It is an amenable number.

2981378404 is a deficient number, since it is larger than the sum of its proper divisors (2477339343).

2981378404 is an equidigital number, since it uses as much as digits as its factorization.

2981378404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424 (or 1212 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The cubic root of 2981378404 is about 1439.2592647362.

The spelling of 2981378404 in words is "two billion, nine hundred eighty-one million, three hundred seventy-eight thousand, four hundred four".