21314961050 has 12 divisors (see below), whose sum is σ = 39645827646. Its totient is φ = 8525984400.

The previous prime is 21314961037. The next prime is 21314961061. The reversal of 21314961050 is 5016941312.

It can be written as a sum of positive squares in 3 ways, for example, as 14455974289 + 6858986761 = 120233^2 + 82819^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21314960998 and 21314961016.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 213149561 + ... + 213149660.

Almost surely, 2^21314961050 is an apocalyptic number.

21314961050 is a deficient number, since it is larger than the sum of its proper divisors (18330866596).

21314961050 is a wasteful number, since it uses less digits than its factorization.

21314961050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426299233 (or 426299228 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 21314961050 in words is "twenty-one billion, three hundred fourteen million, nine hundred sixty-one thousand, fifty".