2151544336 has 40 divisors (see below), whose sum is σ = 4451500800. Its totient is φ = 1005164160.

The previous prime is 2151544313. The next prime is 2151544357. The reversal of 2151544336 is 6334451512.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 60406 + ... + 89173.

It is an arithmetic number, because the mean of its divisors is an integer number (111287520).

Almost surely, 2^2151544336 is an apocalyptic number.

It is an amenable number.

2151544336 is an abundant number, since it is smaller than the sum of its proper divisors (2299956464).

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

2151544336 is a wasteful number, since it uses less digits than its factorization.

2151544336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149647 (or 149641 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 2151544336 is about 46384.7424914702. The cubic root of 2151544336 is about 1290.9718326277.

Adding to 2151544336 its reverse (6334451512), we get a palindrome (8485995848).

The spelling of 2151544336 in words is "two billion, one hundred fifty-one million, five hundred forty-four thousand, three hundred thirty-six".