2151321445414 has 16 divisors (see below), whose sum is σ = 3424358384640. Its totient is φ = 1011454001800.

The previous prime is 2151321445409. The next prime is 2151321445433. The reversal of 2151321445414 is 4145441231512.

It is a super-2 number, since 2×2151321445414² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396335062 + ... + 396340489.

It is an arithmetic number, because the mean of its divisors is an integer number (214022399040).

Almost surely, 2^{2151321445414} is an apocalyptic number.

2151321445414 is a deficient number, since it is larger than the sum of its proper divisors (1273036939226).

2151321445414 is a wasteful number, since it uses less digits than its factorization.

2151321445414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792675635.

The product of its digits is 76800, while the sum is 37.

Adding to 2151321445414 its reverse (4145441231512), we get a palindrome (6296762676926).

The spelling of 2151321445414 in words is "two trillion, one hundred fifty-one billion, three hundred twenty-one million, four hundred forty-five thousand, four hundred fourteen".