2245967729 has 2 divisors, whose sum is σ = 2245967730. Its totient is φ = 2245967728.

The previous prime is 2245967693. The next prime is 2245967743. The reversal of 2245967729 is 9277695422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2202143329 + 43824400 = 46927^2 + 6620^2 .

It is a cyclic number.

It is not a de Polignac number, because 2245967729 - 2¹² = 2245963633 is a prime.

It is not a weakly prime, because it can be changed into another prime (2245967429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122983864 + 1122983865.

It is an arithmetic number, because the mean of its divisors is an integer number (1122983865).

Almost surely, 2^2245967729 is an apocalyptic number.

It is an amenable number.

2245967729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2245967729 is an equidigital number, since it uses as much as digits as its factorization.

2245967729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 53.

The square root of 2245967729 is about 47391.6419740865. The cubic root of 2245967729 is about 1309.5874483205.

The spelling of 2245967729 in words is "two billion, two hundred forty-five million, nine hundred sixty-seven thousand, seven hundred twenty-nine".