1069690449 has 16 divisors (see below), whose sum is σ = 1463209920. Its totient is φ = 694868160.

The previous prime is 1069690423. The next prime is 1069690459. The reversal of 1069690449 is 9440969601.

It is a de Polignac number, because none of the positive numbers 2^k-1069690449 is a prime.

It is a super-2 number, since 2×1069690449² = 2288475313363643202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1069690398 and 1069690407.

It is not an unprimeable number, because it can be changed into a prime (1069690459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7734 + ... + 46895.

It is an arithmetic number, because the mean of its divisors is an integer number (91450620).

Almost surely, 2^1069690449 is an apocalyptic number.

It is an amenable number.

1069690449 is a deficient number, since it is larger than the sum of its proper divisors (393519471).

1069690449 is a wasteful number, since it uses less digits than its factorization.

1069690449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54800.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 1069690449 is about 32706.1225002292. The cubic root of 1069690449 is about 1022.7104793637.

The spelling of 1069690449 in words is "one billion, sixty-nine million, six hundred ninety thousand, four hundred forty-nine".