2033121289 has 2 divisors, whose sum is σ = 2033121290. Its totient is φ = 2033121288.

The previous prime is 2033121263. The next prime is 2033121319. The reversal of 2033121289 is 9821213302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1331666064 + 701455225 = 36492^2 + 26485^2 .

It is a cyclic number.

It is not a de Polignac number, because 2033121289 - 2²¹ = 2031024137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2033121289.

It is not a weakly prime, because it can be changed into another prime (2033121689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1016560644 + 1016560645.

It is an arithmetic number, because the mean of its divisors is an integer number (1016560645).

Almost surely, 2^2033121289 is an apocalyptic number.

It is an amenable number.

2033121289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2033121289 is an equidigital number, since it uses as much as digits as its factorization.

2033121289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 2033121289 is about 45090.1462517034. The cubic root of 2033121289 is about 1266.8380408556.

The spelling of 2033121289 in words is "two billion, thirty-three million, one hundred twenty-one thousand, two hundred eighty-nine".