21706050030 has 32 divisors (see below), whose sum is σ = 59536594944. Its totient is φ = 4961382816.

The previous prime is 21706050019. The next prime is 21706050049. The reversal of 21706050030 is 3005060712.

It is a super-3 number, since 3×21706050030³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51680862 + ... + 51681281.

It is an arithmetic number, because the mean of its divisors is an integer number (1860518592).

Almost surely, 2^21706050030 is an apocalyptic number.

21706050030 is an abundant number, since it is smaller than the sum of its proper divisors (37830544914).

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

21706050030 is a wasteful number, since it uses less digits than its factorization.

21706050030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103362160.

The product of its (nonzero) digits is 1260, while the sum is 24.

The spelling of 21706050030 in words is "twenty-one billion, seven hundred six million, fifty thousand, thirty".