2491751152 has 20 divisors (see below), whose sum is σ = 5266656216. Its totient is φ = 1132614080.

The previous prime is 2491751111. The next prime is 2491751159. The reversal of 2491751152 is 2511571942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2491751159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7078663 + ... + 7079014.

Almost surely, 2^2491751152 is an apocalyptic number.

2491751152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2491751152 is an abundant number, since it is smaller than the sum of its proper divisors (2774905064).

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

2491751152 is a wasteful number, since it uses less digits than its factorization.

2491751152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14157696 (or 14157690 counting only the distinct ones).

The product of its digits is 25200, while the sum is 37.

The square root of 2491751152 is about 49917.4433640186. The cubic root of 2491751152 is about 1355.7144422954.

The spelling of 2491751152 in words is "two billion, four hundred ninety-one million, seven hundred fifty-one thousand, one hundred fifty-two".