2028860761 has 2 divisors, whose sum is σ = 2028860762. Its totient is φ = 2028860760.

The previous prime is 2028860759. The next prime is 2028860791. The reversal of 2028860761 is 1670688202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1639035225 + 389825536 = 40485^2 + 19744^2 .

It is a cyclic number.

It is not a de Polignac number, because 2028860761 - 2¹ = 2028860759 is a prime.

Together with 2028860759, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2028860711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014430380 + 1014430381.

It is an arithmetic number, because the mean of its divisors is an integer number (1014430381).

Almost surely, 2^2028860761 is an apocalyptic number.

It is an amenable number.

2028860761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2028860761 is an equidigital number, since it uses as much as digits as its factorization.

2028860761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 2028860761 is about 45042.8769174439. The cubic root of 2028860761 is about 1265.9525102250.

The spelling of 2028860761 in words is "two billion, twenty-eight million, eight hundred sixty thousand, seven hundred sixty-one".