1069918636 has 6 divisors (see below), whose sum is σ = 1872357620. Its totient is φ = 534959316.

The previous prime is 1069918627. The next prime is 1069918637. The reversal of 1069918636 is 6368199601.

It is a super-2 number, since 2×1069918636² = 2289451775320200992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1069918636.

It is not an unprimeable number, because it can be changed into a prime (1069918637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133739826 + ... + 133739833.

Almost surely, 2^1069918636 is an apocalyptic number.

It is an amenable number.

1069918636 is a deficient number, since it is larger than the sum of its proper divisors (802438984).

1069918636 is a wasteful number, since it uses less digits than its factorization.

1069918636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267479663 (or 267479661 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 1069918636 is about 32709.6107589192. The cubic root of 1069918636 is about 1022.7831959283.

The spelling of 1069918636 in words is "one billion, sixty-nine million, nine hundred eighteen thousand, six hundred thirty-six".