2291042679 has 8 divisors (see below), whose sum is σ = 3055048320. Its totient is φ = 1527199416.

The previous prime is 2291042669. The next prime is 2291042687. The reversal of 2291042679 is 9762401922.

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

It is not a de Polignac number, because 2291042679 - 2¹² = 2291038583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2291042679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291042669) 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, 2587 + ... + 67740.

It is an arithmetic number, because the mean of its divisors is an integer number (381881040).

Almost surely, 2^2291042679 is an apocalyptic number.

2291042679 is a deficient number, since it is larger than the sum of its proper divisors (764005641).

2291042679 is a wasteful number, since it uses less digits than its factorization.

2291042679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81189.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 2291042679 is about 47864.8376054907. The cubic root of 2291042679 is about 1318.2903100628.

The spelling of 2291042679 in words is "two billion, two hundred ninety-one million, forty-two thousand, six hundred seventy-nine".