2691330867 has 40 divisors (see below), whose sum is σ = 4246344960. Its totient is φ = 1694021040.

The previous prime is 2691330853. The next prime is 2691330869. The reversal of 2691330867 is 7680331962.

It is not a de Polignac number, because 2691330867 - 2⁸ = 2691330611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2691330869) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 475818 + ... + 481440.

It is an arithmetic number, because the mean of its divisors is an integer number (106158624).

Almost surely, 2^2691330867 is an apocalyptic number.

2691330867 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2691330867 is a deficient number, since it is larger than the sum of its proper divisors (1555014093).

2691330867 is a wasteful number, since it uses less digits than its factorization.

2691330867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5965 (or 5956 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 2691330867 is about 51878.0383881272. The cubic root of 2691330867 is about 1390.9847355001.

The spelling of 2691330867 in words is "two billion, six hundred ninety-one million, three hundred thirty thousand, eight hundred sixty-seven".