2378998553 has 2 divisors, whose sum is σ = 2378998554. Its totient is φ = 2378998552.

The previous prime is 2378998487. The next prime is 2378998571. The reversal of 2378998553 is 3558998732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1944192649 + 434805904 = 44093^2 + 20852^2 .

It is a cyclic number.

It is not a de Polignac number, because 2378998553 - 2¹⁰ = 2378997529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2378998492 and 2378998501.

It is not a weakly prime, because it can be changed into another prime (2378998253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1189499276 + 1189499277.

It is an arithmetic number, because the mean of its divisors is an integer number (1189499277).

Almost surely, 2^2378998553 is an apocalyptic number.

It is an amenable number.

2378998553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2378998553 is an equidigital number, since it uses as much as digits as its factorization.

2378998553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16329600, while the sum is 59.

The square root of 2378998553 is about 48774.9787596058. The cubic root of 2378998553 is about 1334.9491586169.

The spelling of 2378998553 in words is "two billion, three hundred seventy-eight million, nine hundred ninety-eight thousand, five hundred fifty-three".