2794142991 has 4 divisors (see below), whose sum is σ = 3725523992. Its totient is φ = 1862761992.

The previous prime is 2794142929. The next prime is 2794142993. The reversal of 2794142991 is 1992414972.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2794142991 - 2⁹ = 2794142479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2794142991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2794142993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465690496 + ... + 465690501.

It is an arithmetic number, because the mean of its divisors is an integer number (931380998).

Almost surely, 2^2794142991 is an apocalyptic number.

2794142991 is a deficient number, since it is larger than the sum of its proper divisors (931381001).

2794142991 is an equidigital number, since it uses as much as digits as its factorization.

2794142991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931381000.

The product of its digits is 326592, while the sum is 48.

The square root of 2794142991 is about 52859.6537162324. The cubic root of 2794142991 is about 1408.4762962729.

The spelling of 2794142991 in words is "two billion, seven hundred ninety-four million, one hundred forty-two thousand, nine hundred ninety-one".