21410271198 has 24 divisors (see below), whose sum is σ = 46416813768. Its totient is φ = 7132465872.

The previous prime is 21410271187. The next prime is 21410271199. The reversal of 21410271198 is 89117201412.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21410271199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 326761 + ... + 386772.

It is an arithmetic number, because the mean of its divisors is an integer number (1934033907).

Almost surely, 2^21410271198 is an apocalyptic number.

21410271198 is an abundant number, since it is smaller than the sum of its proper divisors (25006542570).

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

21410271198 is a wasteful number, since it uses less digits than its factorization.

21410271198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715208 (or 715205 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The spelling of 21410271198 in words is "twenty-one billion, four hundred ten million, two hundred seventy-one thousand, one hundred ninety-eight".