21414051514 has 16 divisors (see below), whose sum is σ = 34297129152. Its totient is φ = 10003327488.

The previous prime is 21414051457. The next prime is 21414051599. The reversal of 21414051514 is 41515041412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5411079 + ... + 5415034.

It is an arithmetic number, because the mean of its divisors is an integer number (2143570572).

Almost surely, 2^21414051514 is an apocalyptic number.

21414051514 is a deficient number, since it is larger than the sum of its proper divisors (12883077638).

21414051514 is a wasteful number, since it uses less digits than its factorization.

21414051514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10826181.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 21414051514 its reverse (41515041412), we get a palindrome (62929092926).

The spelling of 21414051514 in words is "twenty-one billion, four hundred fourteen million, fifty-one thousand, five hundred fourteen".