21014033627 has 2 divisors, whose sum is σ = 21014033628. Its totient is φ = 21014033626.

The previous prime is 21014033531. The next prime is 21014033629. The reversal of 21014033627 is 72633041012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21014033627 - 2²⁶ = 20946924763 is a prime.

Together with 21014033629, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21014033627.

It is not a weakly prime, because it can be changed into another prime (21014033629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10507016813 + 10507016814.

It is an arithmetic number, because the mean of its divisors is an integer number (10507016814).

Almost surely, 2^21014033627 is an apocalyptic number.

21014033627 is a deficient number, since it is larger than the sum of its proper divisors (1).

21014033627 is an equidigital number, since it uses as much as digits as its factorization.

21014033627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

Adding to 21014033627 its reverse (72633041012), we get a palindrome (93647074639).

The spelling of 21014033627 in words is "twenty-one billion, fourteen million, thirty-three thousand, six hundred twenty-seven".