2927291193921 has 8 divisors (see below), whose sum is σ = 4028959922944. Its totient is φ = 1888574963760.

The previous prime is 2927291193901. The next prime is 2927291193949. The reversal of 2927291193921 is 1293911927292.

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

It is not a de Polignac number, because 2927291193921 - 2⁵ = 2927291193889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2927291193901) 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 7 ways as a sum of consecutive naturals, for example, 15738124606 + ... + 15738124791.

It is an arithmetic number, because the mean of its divisors is an integer number (503619990368).

Almost surely, 2^{2927291193921} is an apocalyptic number.

It is an amenable number.

2927291193921 is a deficient number, since it is larger than the sum of its proper divisors (1101668729023).

2927291193921 is a wasteful number, since it uses less digits than its factorization.

2927291193921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31476249431.

The product of its digits is 2204496, while the sum is 57.

The spelling of 2927291193921 in words is "two trillion, nine hundred twenty-seven billion, two hundred ninety-one million, one hundred ninety-three thousand, nine hundred twenty-one".