21214036503468 has 120 divisors (see below), whose sum is σ = 58721837305824. Its totient is φ = 6655164249600.

The previous prime is 21214036503467. The next prime is 21214036503493. The reversal of 21214036503468 is 86430563041212.

21214036503468 is a `hidden beast` number, since 2 + 12 + 1 + 40 + 36 + 503 + 4 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (21214036503467) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 273934713 + ... + 274012143.

Almost surely, 2^{21214036503468} is an apocalyptic number.

It is an amenable number.

21214036503468 is an abundant number, since it is smaller than the sum of its proper divisors (37507800802356).

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

21214036503468 is a wasteful number, since it uses less digits than its factorization.

21214036503468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127205 (or 127194 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 21214036503468 in words is "twenty-one trillion, two hundred fourteen billion, thirty-six million, five hundred three thousand, four hundred sixty-eight".