2028604427 has 2 divisors, whose sum is σ = 2028604428. Its totient is φ = 2028604426.

The previous prime is 2028604397. The next prime is 2028604451. The reversal of 2028604427 is 7244068202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2028604427 - 2¹² = 2028600331 is a prime.

It is not a weakly prime, because it can be changed into another prime (2028604477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014302213 + 1014302214.

It is an arithmetic number, because the mean of its divisors is an integer number (1014302214).

Almost surely, 2^2028604427 is an apocalyptic number.

2028604427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2028604427 is an equidigital number, since it uses as much as digits as its factorization.

2028604427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 2028604427 is about 45040.0313832040. The cubic root of 2028604427 is about 1265.8991928914.

The spelling of 2028604427 in words is "two billion, twenty-eight million, six hundred four thousand, four hundred twenty-seven".