10851969 has 4 divisors (see below), whose sum is σ = 14469296. Its totient is φ = 7234644.

The previous prime is 10851959. The next prime is 10851979. The reversal of 10851969 is 96915801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96915801 = 3 ⋅32305267.

It is an interprime number because it is at equal distance from previous prime (10851959) and next prime (10851979).

It is not a de Polignac number, because 10851969 - 2⁵ = 10851937 is a prime.

It is a super-2 number, since 2×10851969² = 235530462353922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10851949) 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, 1808659 + ... + 1808664.

It is an arithmetic number, because the mean of its divisors is an integer number (3617324).

Almost surely, 2^10851969 is an apocalyptic number.

It is an amenable number.

10851969 is a deficient number, since it is larger than the sum of its proper divisors (3617327).

10851969 is an equidigital number, since it uses as much as digits as its factorization.

10851969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617326.

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 10851969 is about 3294.2326875921. The cubic root of 10851969 is about 221.3958698449.

The spelling of 10851969 in words is "ten million, eight hundred fifty-one thousand, nine hundred sixty-nine".