1048781269 has 2 divisors, whose sum is σ = 1048781270. Its totient is φ = 1048781268.

The previous prime is 1048781267. The next prime is 1048781281. The reversal of 1048781269 is 9621878401.

1048781269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 601966225 + 446815044 = 24535^2 + 21138^2 .

It is a cyclic number.

It is not a de Polignac number, because 1048781269 - 2¹ = 1048781267 is a prime.

It is a super-2 number, since 2×1048781269² = 2199884300410500722, which contains 22 as substring.

Together with 1048781267, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1048781267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524390634 + 524390635.

It is an arithmetic number, because the mean of its divisors is an integer number (524390635).

Almost surely, 2^1048781269 is an apocalyptic number.

It is an amenable number.

1048781269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1048781269 is an equidigital number, since it uses as much as digits as its factorization.

1048781269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 1048781269 is about 32384.8926044228. The cubic root of 1048781269 is about 1016.0029621119.

The spelling of 1048781269 in words is "one billion, forty-eight million, seven hundred eighty-one thousand, two hundred sixty-nine".