21468141434 has 16 divisors (see below), whose sum is σ = 32504204040. Its totient is φ = 10633446720.

The previous prime is 21468141413. The next prime is 21468141451. The reversal of 21468141434 is 43414186412.

It can be written as a sum of positive squares in 4 ways, for example, as 21399301225 + 68840209 = 146285^2 + 8297^2 .

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, 2048552 + ... + 2059004.

Almost surely, 2^21468141434 is an apocalyptic number.

21468141434 is a deficient number, since it is larger than the sum of its proper divisors (11036062606).

21468141434 is a wasteful number, since it uses less digits than its factorization.

21468141434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19985.

The product of its digits is 73728, while the sum is 38.

The spelling of 21468141434 in words is "twenty-one billion, four hundred sixty-eight million, one hundred forty-one thousand, four hundred thirty-four".