21414334153 has 16 divisors (see below), whose sum is σ = 22461759936. Its totient is φ = 20392565760.

The previous prime is 21414334133. The next prime is 21414334231. The reversal of 21414334153 is 35143341412.

It is a cyclic number.

It is not a de Polignac number, because 21414334153 - 2⁹ = 21414333641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21414334103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3500025 + ... + 3506137.

It is an arithmetic number, because the mean of its divisors is an integer number (1403859996).

Almost surely, 2^21414334153 is an apocalyptic number.

It is an amenable number.

21414334153 is a deficient number, since it is larger than the sum of its proper divisors (1047425783).

21414334153 is a wasteful number, since it uses less digits than its factorization.

21414334153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8184.

The product of its digits is 17280, while the sum is 31.

Adding to 21414334153 its reverse (35143341412), we get a palindrome (56557675565).

The spelling of 21414334153 in words is "twenty-one billion, four hundred fourteen million, three hundred thirty-four thousand, one hundred fifty-three".