21047341410 has 48 divisors (see below), whose sum is σ = 54952110720. Its totient is φ = 5589134880.

The previous prime is 21047341387. The next prime is 21047341517. The reversal of 21047341410 is 1414374012.

21047341410 is a `hidden beast` number, since 210 + 4 + 7 + 34 + 1 + 410 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 467736 + ... + 510755.

It is an arithmetic number, because the mean of its divisors is an integer number (1144835640).

Almost surely, 2^21047341410 is an apocalyptic number.

21047341410 is an abundant number, since it is smaller than the sum of its proper divisors (33904769310).

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

21047341410 is a wasteful number, since it uses less digits than its factorization.

21047341410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978743 (or 978740 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The spelling of 21047341410 in words is "twenty-one billion, forty-seven million, three hundred forty-one thousand, four hundred ten".