21342001034 has 8 divisors (see below), whose sum is σ = 32014447140. Its totient is φ = 10670518656.

The previous prime is 21342001027. The next prime is 21342001039. The reversal of 21342001034 is 43010024312.

It can be written as a sum of positive squares in 2 ways, for example, as 21232861225 + 109139809 = 145715^2 + 10447^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21342000997 and 21342001015.

It is not an unprimeable number, because it can be changed into a prime (21342001039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182759 + ... + 275834.

Almost surely, 2^21342001034 is an apocalyptic number.

21342001034 is a deficient number, since it is larger than the sum of its proper divisors (10672446106).

21342001034 is a wasteful number, since it uses less digits than its factorization.

21342001034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481864.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21342001034 its reverse (43010024312), we get a palindrome (64352025346).

The spelling of 21342001034 in words is "twenty-one billion, three hundred forty-two million, one thousand, thirty-four".