21030329074716 has 72 divisors (see below), whose sum is σ = 57318455389104. Its totient is φ = 6463045854720.

The previous prime is 21030329074687. The next prime is 21030329074717. The reversal of 21030329074716 is 61747092303012.

21030329074716 is a `hidden beast` number, since 2 + 1 + 0 + 303 + 290 + 7 + 47 + 16 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21030329074717) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26781405 + ... + 27555476.

It is an arithmetic number, because the mean of its divisors is an integer number (796089658182).

Almost surely, 2^{21030329074716} is an apocalyptic number.

21030329074716 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

21030329074716 is an abundant number, since it is smaller than the sum of its proper divisors (36288126314388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21030329074716 is a wasteful number, since it uses less digits than its factorization.

21030329074716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54337731 (or 54337726 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 21030329074716 in words is "twenty-one trillion, thirty billion, three hundred twenty-nine million, seventy-four thousand, seven hundred sixteen".