2791324538 has 16 divisors (see below), whose sum is σ = 4278912000. Its totient is φ = 1365345072.

The previous prime is 2791324439. The next prime is 2791324583. The reversal of 2791324538 is 8354231972.

It is a happy number.

2791324538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63818 + ... + 98261.

It is an arithmetic number, because the mean of its divisors is an integer number (267432000).

Almost surely, 2^2791324538 is an apocalyptic number.

2791324538 is a deficient number, since it is larger than the sum of its proper divisors (1487587462).

2791324538 is a wasteful number, since it uses less digits than its factorization.

2791324538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162269.

The product of its digits is 362880, while the sum is 44.

The square root of 2791324538 is about 52832.9872144288. The cubic root of 2791324538 is about 1408.0025601091.

The spelling of 2791324538 in words is "two billion, seven hundred ninety-one million, three hundred twenty-four thousand, five hundred thirty-eight".