2028273641 has 2 divisors, whose sum is σ = 2028273642. Its totient is φ = 2028273640.

The previous prime is 2028273557. The next prime is 2028273661. The reversal of 2028273641 is 1463728202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2017357225 + 10916416 = 44915^2 + 3304^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2028273641 is a prime.

It is a super-2 number, since 2×2028273641² = 8227787925550793762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2028273661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014136820 + 1014136821.

It is an arithmetic number, because the mean of its divisors is an integer number (1014136821).

Almost surely, 2^2028273641 is an apocalyptic number.

It is an amenable number.

2028273641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2028273641 is an equidigital number, since it uses as much as digits as its factorization.

2028273641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 2028273641 is about 45036.3591001759. The cubic root of 2028273641 is about 1265.8303829438.

The spelling of 2028273641 in words is "two billion, twenty-eight million, two hundred seventy-three thousand, six hundred forty-one".