2991212488 has 16 divisors (see below), whose sum is σ = 6118389360. Its totient is φ = 1359642000.

The previous prime is 2991212467. The next prime is 2991212489. The reversal of 2991212488 is 8842121992.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2991212489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16995438 + ... + 16995613.

It is an arithmetic number, because the mean of its divisors is an integer number (382399335).

Almost surely, 2^2991212488 is an apocalyptic number.

It is an amenable number.

2991212488 is an abundant number, since it is smaller than the sum of its proper divisors (3127176872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2991212488 is a wasteful number, since it uses less digits than its factorization.

2991212488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33991068 (or 33991064 counting only the distinct ones).

The product of its digits is 165888, while the sum is 46.

The square root of 2991212488 is about 54691.9782783545. The cubic root of 2991212488 is about 1440.8399947360.

The spelling of 2991212488 in words is "two billion, nine hundred ninety-one million, two hundred twelve thousand, four hundred eighty-eight".