2069089769 has 4 divisors (see below), whose sum is σ = 2069948244. Its totient is φ = 2068231296.

The previous prime is 2069089727. The next prime is 2069089783. The reversal of 2069089769 is 9679809602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1681984144 + 387105625 = 41012^2 + 19675^2 .

It is a cyclic number.

It is not a de Polignac number, because 2069089769 - 2¹² = 2069085673 is a prime.

It is a super-2 number, since 2×2069089769² = 8562264944360946722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2069089369) 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, 425612 + ... + 430445.

It is an arithmetic number, because the mean of its divisors is an integer number (517487061).

Almost surely, 2^2069089769 is an apocalyptic number.

It is an amenable number.

2069089769 is a deficient number, since it is larger than the sum of its proper divisors (858475).

2069089769 is an equidigital number, since it uses as much as digits as its factorization.

2069089769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858474.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The square root of 2069089769 is about 45487.2484219479. The cubic root of 2069089769 is about 1274.2650679828.

The spelling of 2069089769 in words is "two billion, sixty-nine million, eighty-nine thousand, seven hundred sixty-nine".