2245546729 has 2 divisors, whose sum is σ = 2245546730. Its totient is φ = 2245546728.

The previous prime is 2245546717. The next prime is 2245546811. The reversal of 2245546729 is 9276455422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2244201129 + 1345600 = 47373^2 + 1160^2 .

It is a cyclic number.

It is not a de Polignac number, because 2245546729 - 2⁷ = 2245546601 is a prime.

It is a super-2 number, since 2×2245546729² = 10084960224245198882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2245546829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122773364 + 1122773365.

It is an arithmetic number, because the mean of its divisors is an integer number (1122773365).

Almost surely, 2^2245546729 is an apocalyptic number.

It is an amenable number.

2245546729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2245546729 is an equidigital number, since it uses as much as digits as its factorization.

2245546729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 46.

The square root of 2245546729 is about 47387.2000544451. The cubic root of 2245546729 is about 1309.5056171109.

The spelling of 2245546729 in words is "two billion, two hundred forty-five million, five hundred forty-six thousand, seven hundred twenty-nine".