291366104249 has 8 divisors (see below), whose sum is σ = 317858005440. Its totient is φ = 264874882000.

The previous prime is 291366104219. The next prime is 291366104257. The reversal of 291366104249 is 942401663192.

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

It is a cyclic number.

It is not a de Polignac number, because 291366104249 - 2²⁰ = 291365055673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (291366104219) 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, 1228199 + ... + 1446099.

It is an arithmetic number, because the mean of its divisors is an integer number (39732250680).

Almost surely, 2^291366104249 is an apocalyptic number.

It is an amenable number.

291366104249 is a deficient number, since it is larger than the sum of its proper divisors (26491901191).

291366104249 is a wasteful number, since it uses less digits than its factorization.

291366104249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339471.

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 291366104249 in words is "two hundred ninety-one billion, three hundred sixty-six million, one hundred four thousand, two hundred forty-nine".