2049323179391 has 8 divisors (see below), whose sum is σ = 2054197119168. Its totient is φ = 2044449792000.

The previous prime is 2049323179333. The next prime is 2049323179403. The reversal of 2049323179391 is 1939713239402.

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-2049323179391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049323179301) 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, 7836671 + ... + 8093951.

It is an arithmetic number, because the mean of its divisors is an integer number (256774639896).

Almost surely, 2^{2049323179391} is an apocalyptic number.

2049323179391 is a deficient number, since it is larger than the sum of its proper divisors (4873939777).

2049323179391 is a wasteful number, since it uses less digits than its factorization.

2049323179391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276193.

The product of its (nonzero) digits is 2204496, while the sum is 53.

The spelling of 2049323179391 in words is "two trillion, forty-nine billion, three hundred twenty-three million, one hundred seventy-nine thousand, three hundred ninety-one".