21411900606384 has 80 divisors (see below), whose sum is σ = 61481436364800. Its totient is φ = 7134820697664.

The previous prime is 21411900606361. The next prime is 21411900606403. The reversal of 21411900606384 is 48360600911412.

21411900606384 is a `hidden beast` number, since 2 + 1 + 4 + 1 + 1 + 9 + 0 + 0 + 6 + 0 + 638 + 4 = 666.

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, 7364224 + ... + 9851679.

It is an arithmetic number, because the mean of its divisors is an integer number (768517954560).

Almost surely, 2^{21411900606384} is an apocalyptic number.

21411900606384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21411900606384 is an abundant number, since it is smaller than the sum of its proper divisors (40069535758416).

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

21411900606384 is a wasteful number, since it uses less digits than its factorization.

21411900606384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17218799 (or 17218787 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 21411900606384 in words is "twenty-one trillion, four hundred eleven billion, nine hundred million, six hundred six thousand, three hundred eighty-four".