21034341004 has 12 divisors (see below), whose sum is σ = 37328549328. Its totient is φ = 10369041200.

The previous prime is 21034340993. The next prime is 21034341019. The reversal of 21034341004 is 40014343012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37032007 + ... + 37032574.

It is an arithmetic number, because the mean of its divisors is an integer number (3110712444).

Almost surely, 2^21034341004 is an apocalyptic number.

It is an amenable number.

21034341004 is a deficient number, since it is larger than the sum of its proper divisors (16294208324).

21034341004 is a wasteful number, since it uses less digits than its factorization.

21034341004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74064656 (or 74064654 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 21034341004 its reverse (40014343012), we get a palindrome (61048684016).

The spelling of 21034341004 in words is "twenty-one billion, thirty-four million, three hundred forty-one thousand, four".