1016945769 has 32 divisors (see below), whose sum is σ = 1578336256. Its totient is φ = 570447360.

The previous prime is 1016945737. The next prime is 1016945779. The reversal of 1016945769 is 9675496101.

It is a happy number.

It is not a de Polignac number, because 1016945769 - 2⁵ = 1016945737 is a prime.

It is a super-2 number, since 2×1016945769² = 2068357394174002722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1016945779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256734 + ... + 260664.

It is an arithmetic number, because the mean of its divisors is an integer number (49323008).

Almost surely, 2^1016945769 is an apocalyptic number.

It is an amenable number.

1016945769 is a deficient number, since it is larger than the sum of its proper divisors (561390487).

1016945769 is a wasteful number, since it uses less digits than its factorization.

1016945769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4165.

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 1016945769 is about 31889.5871563117. The cubic root of 1016945769 is about 1005.6169801281.

The spelling of 1016945769 in words is "one billion, sixteen million, nine hundred forty-five thousand, seven hundred sixty-nine".