21337151434 has 16 divisors (see below), whose sum is σ = 32072002560. Its totient is φ = 10646506080.

The previous prime is 21337151419. The next prime is 21337151471. The reversal of 21337151434 is 43415173312.

It is a self number, because there is not a number n which added to its sum of digits gives 21337151434.

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, 2453574 + ... + 2462254.

It is an arithmetic number, because the mean of its divisors is an integer number (2004500160).

Almost surely, 2^21337151434 is an apocalyptic number.

21337151434 is a deficient number, since it is larger than the sum of its proper divisors (10734851126).

21337151434 is a wasteful number, since it uses less digits than its factorization.

21337151434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11085.

The product of its digits is 30240, while the sum is 34.

The spelling of 21337151434 in words is "twenty-one billion, three hundred thirty-seven million, one hundred fifty-one thousand, four hundred thirty-four".