21410628338903 has 2 divisors, whose sum is σ = 21410628338904. Its totient is φ = 21410628338902.

The previous prime is 21410628338863. The next prime is 21410628338917. The reversal of 21410628338903 is 30983382601412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21410628338903 - 2²⁸ = 21410359903447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21410628338993) by changing a digit.

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 as a sum of consecutive naturals, namely, 10705314169451 + 10705314169452.

It is an arithmetic number, because the mean of its divisors is an integer number (10705314169452).

Almost surely, 2^{21410628338903} is an apocalyptic number.

21410628338903 is a deficient number, since it is larger than the sum of its proper divisors (1).

21410628338903 is an equidigital number, since it uses as much as digits as its factorization.

21410628338903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 50.

The spelling of 21410628338903 in words is "twenty-one trillion, four hundred ten billion, six hundred twenty-eight million, three hundred thirty-eight thousand, nine hundred three".