2984778481 has 4 divisors (see below), whose sum is σ = 2984947264. Its totient is φ = 2984609700.

The previous prime is 2984778431. The next prime is 2984778491. The reversal of 2984778481 is 1848774892.

2984778481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2984778481 - 2⁷ = 2984778353 is a prime.

It is a super-2 number, since 2×2984778481² = 17817805161281334722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2984778421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54285 + ... + 94426.

It is an arithmetic number, because the mean of its divisors is an integer number (746236816).

Almost surely, 2^2984778481 is an apocalyptic number.

It is an amenable number.

2984778481 is a deficient number, since it is larger than the sum of its proper divisors (168783).

2984778481 is a wasteful number, since it uses less digits than its factorization.

2984778481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168782.

The product of its digits is 7225344, while the sum is 58.

The square root of 2984778481 is about 54633.1262239312. The cubic root of 2984778481 is about 1439.8061854955.

The spelling of 2984778481 in words is "two billion, nine hundred eighty-four million, seven hundred seventy-eight thousand, four hundred eighty-one".