2052189049 has 2 divisors, whose sum is σ = 2052189050. Its totient is φ = 2052189048.

The previous prime is 2052189047. The next prime is 2052189101. The reversal of 2052189049 is 9409812502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2003189049 + 49000000 = 44757^2 + 7000^2 .

It is a cyclic number.

It is not a de Polignac number, because 2052189049 - 2¹ = 2052189047 is a prime.

It is a super-2 number, since 2×2052189049² = 8422959785671048802, which contains 22 as substring.

Together with 2052189047, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2052189043) 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, 1026094524 + 1026094525.

It is an arithmetic number, because the mean of its divisors is an integer number (1026094525).

Almost surely, 2^2052189049 is an apocalyptic number.

It is an amenable number.

2052189049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2052189049 is an equidigital number, since it uses as much as digits as its factorization.

2052189049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 2052189049 is about 45301.0932428788. The cubic root of 2052189049 is about 1270.7860983575.

The spelling of 2052189049 in words is "two billion, fifty-two million, one hundred eighty-nine thousand, forty-nine".