2991546899 has 16 divisors (see below), whose sum is σ = 3473422560. Its totient is φ = 2546319360.

The previous prime is 2991546863. The next prime is 2991546907. The reversal of 2991546899 is 9986451992.

It is a cyclic number.

It is not a de Polignac number, because 2991546899 - 2¹² = 2991542803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2991576899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5354 + ... + 77535.

It is an arithmetic number, because the mean of its divisors is an integer number (217088910).

Almost surely, 2^2991546899 is an apocalyptic number.

2991546899 is a deficient number, since it is larger than the sum of its proper divisors (481875661).

2991546899 is a wasteful number, since it uses less digits than its factorization.

2991546899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83110.

The product of its digits is 12597120, while the sum is 62.

The square root of 2991546899 is about 54695.0354145603. The cubic root of 2991546899 is about 1440.8936869862.

The spelling of 2991546899 in words is "two billion, nine hundred ninety-one million, five hundred forty-six thousand, eight hundred ninety-nine".