21467799999999 has 6 divisors (see below), whose sum is σ = 31009044444456. Its totient is φ = 14311866666660.

The previous prime is 21467799999983. The next prime is 21467800000037. The reversal of 21467799999999 is 99999999776412.

21467799999999 is a `hidden beast` number, since 214 + 67 + 79 + 9 + 99 + 99 + 99 = 666.

It is not a de Polignac number, because 21467799999999 - 2⁴ = 21467799999983 is a prime.

21467799999999 is a modest number, since divided by 9999999 gives 2146779 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21467799999959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1192655555547 + ... + 1192655555564.

It is an arithmetic number, because the mean of its divisors is an integer number (5168174074076).

Almost surely, 2^{21467799999999} is an apocalyptic number.

21467799999999 is a deficient number, since it is larger than the sum of its proper divisors (9541244444457).

21467799999999 is a wasteful number, since it uses less digits than its factorization.

21467799999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385311111117 (or 2385311111114 counting only the distinct ones).

The product of its digits is 101245887792, while the sum is 99.

The spelling of 21467799999999 in words is "twenty-one trillion, four hundred sixty-seven billion, seven hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".