2665139033 has 2 divisors, whose sum is σ = 2665139034. Its totient is φ = 2665139032.

The previous prime is 2665139021. The next prime is 2665139041. The reversal of 2665139033 is 3309315662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2585519104 + 79619929 = 50848^2 + 8923^2 .

It is a cyclic number.

It is not a de Polignac number, because 2665139033 - 2¹⁶ = 2665073497 is a prime.

It is not a weakly prime, because it can be changed into another prime (2665139083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332569516 + 1332569517.

It is an arithmetic number, because the mean of its divisors is an integer number (1332569517).

Almost surely, 2^2665139033 is an apocalyptic number.

It is an amenable number.

2665139033 is a deficient number, since it is larger than the sum of its proper divisors (1).

2665139033 is an equidigital number, since it uses as much as digits as its factorization.

2665139033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 38.

The square root of 2665139033 is about 51624.9845811115. The cubic root of 2665139033 is about 1386.4576976139.

The spelling of 2665139033 in words is "two billion, six hundred sixty-five million, one hundred thirty-nine thousand, thirty-three".