21350585030 has 32 divisors (see below), whose sum is σ = 40259548800. Its totient is φ = 8141357952.

The previous prime is 21350585029. The next prime is 21350585131. The reversal of 21350585030 is 3058505312.

It is a super-2 number, since 2×21350585030² (a number of 21 digits) contains 22 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, 443057 + ... + 488876.

It is an arithmetic number, because the mean of its divisors is an integer number (1258110900).

Almost surely, 2^21350585030 is an apocalyptic number.

21350585030 is a deficient number, since it is larger than the sum of its proper divisors (18908963770).

21350585030 is a wasteful number, since it uses less digits than its factorization.

21350585030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932048.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 21350585030 in words is "twenty-one billion, three hundred fifty million, five hundred eighty-five thousand, thirty".