21603217471030 has 32 divisors (see below), whose sum is σ = 41877328981824. Its totient is φ = 7976511117696.

The previous prime is 21603217470971. The next prime is 21603217471081. The reversal of 21603217471030 is 3017471230612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18474759 + ... + 19609261.

It is an arithmetic number, because the mean of its divisors is an integer number (1308666530682).

Almost surely, 2^{21603217471030} is an apocalyptic number.

21603217471030 is a deficient number, since it is larger than the sum of its proper divisors (20274111510794).

21603217471030 is a wasteful number, since it uses less digits than its factorization.

21603217471030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281000.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 21603217471030 in words is "twenty-one trillion, six hundred three billion, two hundred seventeen million, four hundred seventy-one thousand, thirty".