2705778969 has 8 divisors (see below), whose sum is σ = 3695698272. Its totient is φ = 1759856160.

The previous prime is 2705778941. The next prime is 2705779019. The reversal of 2705778969 is 9698775072.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2705778969 - 2¹¹ = 2705776921 is a prime.

It is a super-2 number, since 2×2705778969² = 14642479658165405922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2705778919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10998979 + ... + 10999224.

It is an arithmetic number, because the mean of its divisors is an integer number (461962284).

Almost surely, 2^2705778969 is an apocalyptic number.

It is an amenable number.

2705778969 is a deficient number, since it is larger than the sum of its proper divisors (989919303).

2705778969 is a wasteful number, since it uses less digits than its factorization.

2705778969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21998247.

The product of its (nonzero) digits is 13335840, while the sum is 60.

The square root of 2705778969 is about 52017.1026586449. The cubic root of 2705778969 is about 1393.4694087256.

The spelling of 2705778969 in words is "two billion, seven hundred five million, seven hundred seventy-eight thousand, nine hundred sixty-nine".