2691326884 has 9 divisors (see below), whose sum is σ = 4710003627. Its totient is φ = 1345611564.

The previous prime is 2691326867. The next prime is 2691326921. The reversal of 2691326884 is 4886231962.

The square root of 2691326884 is 51878.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×2691326884² = 14486480793082298912, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 90787 + ... + 116725.

Almost surely, 2^2691326884 is an apocalyptic number.

2691326884 is the 51878-th square number.

It is an amenable number.

2691326884 is a deficient number, since it is larger than the sum of its proper divisors (2018676743).

2691326884 is an frugal number, since it uses more digits than its factorization.

2691326884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51882 (or 25941 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The cubic root of 2691326884 is about 1390.9840493099.

Multiplying 2691326884 by its sum of digits (49), we get a square (131875017316 = 363146²).

The spelling of 2691326884 in words is "two billion, six hundred ninety-one million, three hundred twenty-six thousand, eight hundred eighty-four".