1069847649 has 64 divisors (see below), whose sum is σ = 1827840000. Its totient is φ = 612919872.

The previous prime is 1069847641. The next prime is 1069847663. The reversal of 1069847649 is 9467489601.

1069847649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1069847649 - 2³ = 1069847641 is a prime.

It is a super-2 number, since 2×1069847649² = 2289147984141654402, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1069847595 and 1069847604.

It is not an unprimeable number, because it can be changed into a prime (1069847641) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 392112 + ... + 394830.

It is an arithmetic number, because the mean of its divisors is an integer number (28560000).

Almost surely, 2^1069847649 is an apocalyptic number.

1069847649 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1069847649 is a deficient number, since it is larger than the sum of its proper divisors (757992351).

1069847649 is a wasteful number, since it uses less digits than its factorization.

1069847649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819 (or 2813 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 1069847649 is about 32708.5256317065. The cubic root of 1069847649 is about 1022.7605755426.

The spelling of 1069847649 in words is "one billion, sixty-nine million, eight hundred forty-seven thousand, six hundred forty-nine".