291049369093 has 16 divisors (see below), whose sum is σ = 351599616000. Its totient is φ = 235351941552.

The previous prime is 291049369069. The next prime is 291049369099. The reversal of 291049369093 is 390963940192.

It is not a de Polignac number, because 291049369093 - 2²¹ = 291047271941 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 (291049369099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4546333 + ... + 4609906.

It is an arithmetic number, because the mean of its divisors is an integer number (21974976000).

Almost surely, 2^291049369093 is an apocalyptic number.

It is an amenable number.

291049369093 is a deficient number, since it is larger than the sum of its proper divisors (60550246907).

291049369093 is a wasteful number, since it uses less digits than its factorization.

291049369093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9156504.

The product of its (nonzero) digits is 2834352, while the sum is 55.

The spelling of 291049369093 in words is "two hundred ninety-one billion, forty-nine million, three hundred sixty-nine thousand, ninety-three".