1000690769 has 4 divisors (see below), whose sum is σ = 1077666996. Its totient is φ = 923714544.

The previous prime is 1000690763. The next prime is 1000690781. The reversal of 1000690769 is 9670960001.

1000690769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9670960001 = 277 ⋅34913213.

It can be written as a sum of positive squares in 2 ways, for example, as 71233600 + 929457169 = 8440^2 + 30487^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000690769 - 2¹⁶ = 1000625233 is a prime.

It is a super-2 number, since 2×1000690769² = 2002764030323622722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000690763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38488094 + ... + 38488119.

It is an arithmetic number, because the mean of its divisors is an integer number (269416749).

Almost surely, 2^1000690769 is an apocalyptic number.

It is an amenable number.

1000690769 is a deficient number, since it is larger than the sum of its proper divisors (76976227).

1000690769 is an equidigital number, since it uses as much as digits as its factorization.

1000690769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76976226.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 1000690769 is about 31633.6967330725. The cubic root of 1000690769 is about 1000.2302033357.

The spelling of 1000690769 in words is "one billion, six hundred ninety thousand, seven hundred sixty-nine".