2151321702384 has 20 divisors (see below), whose sum is σ = 5557581064616. Its totient is φ = 717107234112.

The previous prime is 2151321702371. The next prime is 2151321702419. The reversal of 2151321702384 is 4832071231512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22409601019 + ... + 22409601114.

Almost surely, 2^{2151321702384} is an apocalyptic number.

2151321702384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2151321702384 is an abundant number, since it is smaller than the sum of its proper divisors (3406259362232).

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

2151321702384 is a wasteful number, since it uses less digits than its factorization.

2151321702384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44819202144 (or 44819202138 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

Adding to 2151321702384 its reverse (4832071231512), we get a palindrome (6983392933896).

The spelling of 2151321702384 in words is "two trillion, one hundred fifty-one billion, three hundred twenty-one million, seven hundred two thousand, three hundred eighty-four".