21030603764054 has 64 divisors (see below), whose sum is σ = 35982924337152. Its totient is φ = 9159863961600.

The previous prime is 21030603764017. The next prime is 21030603764063. The reversal of 21030603764054 is 45046730603012.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 194294009 + ... + 194402219.

It is an arithmetic number, because the mean of its divisors is an integer number (562233192768).

Almost surely, 2^{21030603764054} is an apocalyptic number.

21030603764054 is a deficient number, since it is larger than the sum of its proper divisors (14952320573098).

21030603764054 is a wasteful number, since it uses less digits than its factorization.

21030603764054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116301.

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 21030603764054 in words is "twenty-one trillion, thirty billion, six hundred three million, seven hundred sixty-four thousand, fifty-four".