1067265649 has 2 divisors, whose sum is σ = 1067265650. Its totient is φ = 1067265648.

The previous prime is 1067265637. The next prime is 1067265673. The reversal of 1067265649 is 9465627601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 606390625 + 460875024 = 24625^2 + 21468^2 .

It is a cyclic number.

It is not a de Polignac number, because 1067265649 - 2¹¹ = 1067263601 is a prime.

It is a super-2 number, since 2×1067265649² = 2278111931070782402, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1067265599 and 1067265608.

It is not a weakly prime, because it can be changed into another prime (1067265349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533632824 + 533632825.

It is an arithmetic number, because the mean of its divisors is an integer number (533632825).

Almost surely, 2^1067265649 is an apocalyptic number.

It is an amenable number.

1067265649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1067265649 is an equidigital number, since it uses as much as digits as its factorization.

1067265649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 1067265649 is about 32669.0319568854. The cubic root of 1067265649 is about 1021.9371264918.

The spelling of 1067265649 in words is "one billion, sixty-seven million, two hundred sixty-five thousand, six hundred forty-nine".