2250806729 has 2 divisors, whose sum is σ = 2250806730. Its totient is φ = 2250806728.

The previous prime is 2250806687. The next prime is 2250806791. The reversal of 2250806729 is 9276080522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1322995129 + 927811600 = 36373^2 + 30460^2 .

It is a cyclic number.

It is not a de Polignac number, because 2250806729 - 2¹² = 2250802633 is a prime.

It is a super-2 number, since 2×2250806729² = 10132261862623358882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2250896729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125403364 + 1125403365.

It is an arithmetic number, because the mean of its divisors is an integer number (1125403365).

Almost surely, 2^2250806729 is an apocalyptic number.

It is an amenable number.

2250806729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2250806729 is an equidigital number, since it uses as much as digits as its factorization.

2250806729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 2250806729 is about 47442.6678107376. The cubic root of 2250806729 is about 1310.5272878786.

The spelling of 2250806729 in words is "two billion, two hundred fifty million, eight hundred six thousand, seven hundred twenty-nine".