2445021269 has 2 divisors, whose sum is σ = 2445021270. Its totient is φ = 2445021268.

The previous prime is 2445021253. The next prime is 2445021307. The reversal of 2445021269 is 9621205442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2128715044 + 316306225 = 46138^2 + 17785^2 .

It is a cyclic number.

It is not a de Polignac number, because 2445021269 - 2⁴ = 2445021253 is a prime.

It is a super-2 number, since 2×2445021269² = 11956258011724740722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2445027269) 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, 1222510634 + 1222510635.

It is an arithmetic number, because the mean of its divisors is an integer number (1222510635).

Almost surely, 2^2445021269 is an apocalyptic number.

It is an amenable number.

2445021269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2445021269 is an equidigital number, since it uses as much as digits as its factorization.

2445021269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 2445021269 is about 49447.1563287516. The cubic root of 2445021269 is about 1347.1859570170.

The spelling of 2445021269 in words is "two billion, four hundred forty-five million, twenty-one thousand, two hundred sixty-nine".