2691457696 has 48 divisors (see below), whose sum is σ = 5524098048. Its totient is φ = 1289376000.

The previous prime is 2691457667. The next prime is 2691457729. The reversal of 2691457696 is 6967541962.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86761 + ... + 113623.

It is an arithmetic number, because the mean of its divisors is an integer number (115085376).

Almost surely, 2^2691457696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2691457696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2762049024).

2691457696 is an abundant number, since it is smaller than the sum of its proper divisors (2832640352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2691457696 is a wasteful number, since it uses less digits than its factorization.

2691457696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27005 (or 26997 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 55.

The square root of 2691457696 is about 51879.2607503230. The cubic root of 2691457696 is about 1391.0065852145.

The spelling of 2691457696 in words is "two billion, six hundred ninety-one million, four hundred fifty-seven thousand, six hundred ninety-six".