21410628338908 has 24 divisors (see below), whose sum is σ = 39444901372800. Its totient is φ = 10140778524528.

The previous prime is 21410628338903. The next prime is 21410628338917. The reversal of 21410628338908 is 80983382601412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21410628338903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14544010 + ... + 15948337.

It is an arithmetic number, because the mean of its divisors is an integer number (1643537557200).

Almost surely, 2^{21410628338908} is an apocalyptic number.

It is an amenable number.

21410628338908 is a deficient number, since it is larger than the sum of its proper divisors (18034273033892).

21410628338908 is a wasteful number, since it uses less digits than its factorization.

21410628338908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30501609 (or 30501607 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 55.

The spelling of 21410628338908 in words is "twenty-one trillion, four hundred ten billion, six hundred twenty-eight million, three hundred thirty-eight thousand, nine hundred eight".