21413042302 has 4 divisors (see below), whose sum is σ = 32119563456. Its totient is φ = 10706521150.

The previous prime is 21413042267. The next prime is 21413042317. The reversal of 21413042302 is 20324031412.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5353260574 + ... + 5353260577.

It is an arithmetic number, because the mean of its divisors is an integer number (8029890864).

Almost surely, 2^21413042302 is an apocalyptic number.

21413042302 is a deficient number, since it is larger than the sum of its proper divisors (10706521154).

21413042302 is a wasteful number, since it uses less digits than its factorization.

21413042302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10706521153.

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

Adding to 21413042302 its reverse (20324031412), we get a palindrome (41737073714).

The spelling of 21413042302 in words is "twenty-one billion, four hundred thirteen million, forty-two thousand, three hundred two".