2028401747 has 2 divisors, whose sum is σ = 2028401748. Its totient is φ = 2028401746.

The previous prime is 2028401729. The next prime is 2028401779. The reversal of 2028401747 is 7471048202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2028401747 - 2¹⁰ = 2028400723 is a prime.

It is a super-2 number, since 2×2028401747² = 8228827294465304018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2028401797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014200873 + 1014200874.

It is an arithmetic number, because the mean of its divisors is an integer number (1014200874).

Almost surely, 2^2028401747 is an apocalyptic number.

2028401747 is a deficient number, since it is larger than the sum of its proper divisors (1).

2028401747 is an equidigital number, since it uses as much as digits as its factorization.

2028401747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25088, while the sum is 35.

The square root of 2028401747 is about 45037.7813285690. The cubic root of 2028401747 is about 1265.8570323811.

Adding to 2028401747 its reverse (7471048202), we get a palindrome (9499449949).

The spelling of 2028401747 in words is "two billion, twenty-eight million, four hundred one thousand, seven hundred forty-seven".