21334776514 has 16 divisors (see below), whose sum is σ = 32070210048. Its totient is φ = 10644724512.

The previous prime is 21334776481. The next prime is 21334776557. The reversal of 21334776514 is 41567743312.

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, 4784574 + ... + 4789030.

It is an arithmetic number, because the mean of its divisors is an integer number (2004388128).

Almost surely, 2^21334776514 is an apocalyptic number.

21334776514 is a deficient number, since it is larger than the sum of its proper divisors (10735433534).

21334776514 is a wasteful number, since it uses less digits than its factorization.

21334776514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9009.

The product of its digits is 423360, while the sum is 43.

The spelling of 21334776514 in words is "twenty-one billion, three hundred thirty-four million, seven hundred seventy-six thousand, five hundred fourteen".