2484778321 has 2 divisors, whose sum is σ = 2484778322. Its totient is φ = 2484778320.

The previous prime is 2484778313. The next prime is 2484778337. The reversal of 2484778321 is 1238774842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1292043025 + 1192735296 = 35945^2 + 34536^2 .

It is a cyclic number.

It is not a de Polignac number, because 2484778321 - 2³ = 2484778313 is a prime.

It is not a weakly prime, because it can be changed into another prime (2484778301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1242389160 + 1242389161.

It is an arithmetic number, because the mean of its divisors is an integer number (1242389161).

Almost surely, 2^2484778321 is an apocalyptic number.

It is an amenable number.

2484778321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2484778321 is an equidigital number, since it uses as much as digits as its factorization.

2484778321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 602112, while the sum is 46.

The square root of 2484778321 is about 49847.5508024216. The cubic root of 2484778321 is about 1354.4486659191.

The spelling of 2484778321 in words is "two billion, four hundred eighty-four million, seven hundred seventy-eight thousand, three hundred twenty-one".