2691058643 has 8 divisors (see below), whose sum is σ = 3312072288. Its totient is φ = 2129189184.

The previous prime is 2691058631. The next prime is 2691058661. The reversal of 2691058643 is 3468501962.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2691058643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2691058594 and 2691058603.

It is not an unprimeable number, because it can be changed into a prime (2691058663) 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, 14785946 + ... + 14786127.

It is an arithmetic number, because the mean of its divisors is an integer number (414009036).

Almost surely, 2^2691058643 is an apocalyptic number.

2691058643 is a deficient number, since it is larger than the sum of its proper divisors (621013645).

2691058643 is a wasteful number, since it uses less digits than its factorization.

2691058643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29572093.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 2691058643 is about 51875.4146296683. The cubic root of 2691058643 is about 1390.9378352594.

The spelling of 2691058643 in words is "two billion, six hundred ninety-one million, fifty-eight thousand, six hundred forty-three".