2991551853 has 8 divisors (see below), whose sum is σ = 3989066400. Its totient is φ = 1994202608.

The previous prime is 2991551831. The next prime is 2991551887. The reversal of 2991551853 is 3581551992.

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 2991551853 - 2⁶ = 2991551789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2991551153) 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 7 ways as a sum of consecutive naturals, for example, 10018 + ... + 77996.

It is an arithmetic number, because the mean of its divisors is an integer number (498633300).

Almost surely, 2^2991551853 is an apocalyptic number.

It is an amenable number.

2991551853 is a deficient number, since it is larger than the sum of its proper divisors (997514547).

2991551853 is a wasteful number, since it uses less digits than its factorization.

2991551853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82651.

The product of its digits is 486000, while the sum is 48.

The square root of 2991551853 is about 54695.0807020156. The cubic root of 2991551853 is about 1440.8944823589.

The spelling of 2991551853 in words is "two billion, nine hundred ninety-one million, five hundred fifty-one thousand, eight hundred fifty-three".