21432302410 has 16 divisors (see below), whose sum is σ = 38661474816. Its totient is φ = 8554403088.

The previous prime is 21432302399. The next prime is 21432302431. The reversal of 21432302410 is 1420323412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2309874 + ... + 2319133.

It is an arithmetic number, because the mean of its divisors is an integer number (2416342176).

Almost surely, 2^21432302410 is an apocalyptic number.

21432302410 is a deficient number, since it is larger than the sum of its proper divisors (17229172406).

21432302410 is a wasteful number, since it uses less digits than its factorization.

21432302410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4629477.

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

Adding to 21432302410 its reverse (1420323412), we get a palindrome (22852625822).

The spelling of 21432302410 in words is "twenty-one billion, four hundred thirty-two million, three hundred two thousand, four hundred ten".