2691070885 has 4 divisors (see below), whose sum is σ = 3229285068. Its totient is φ = 2152856704.

The previous prime is 2691070853. The next prime is 2691070969. The reversal of 2691070885 is 5880701962.

2691070885 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.

It can be written as a sum of positive squares in 2 ways, for example, as 1086427521 + 1604643364 = 32961^2 + 40058^2 .

It is a cyclic number.

It is not a de Polignac number, because 2691070885 - 2⁵ = 2691070853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269107084 + ... + 269107093.

It is an arithmetic number, because the mean of its divisors is an integer number (807321267).

Almost surely, 2^2691070885 is an apocalyptic number.

It is an amenable number.

2691070885 is a deficient number, since it is larger than the sum of its proper divisors (538214183).

2691070885 is an equidigital number, since it uses as much as digits as its factorization.

2691070885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538214182.

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 2691070885 is about 51875.5326237717. The cubic root of 2691070885 is about 1390.9399444461.

The spelling of 2691070885 in words is "two billion, six hundred ninety-one million, seventy thousand, eight hundred eighty-five".