214680500091 has 64 divisors (see below), whose sum is σ = 337281817600. Its totient is φ = 134579232000.

The previous prime is 214680500081. The next prime is 214680500093. The reversal of 214680500091 is 190005086412.

214680500091 is a `hidden beast` number, since 2 + 1 + 4 + 68 + 0 + 500 + 0 + 91 = 666.

It is not a de Polignac number, because 214680500091 - 2⁵ = 214680500059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214680500093) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55802730 + ... + 55806576.

It is an arithmetic number, because the mean of its divisors is an integer number (5270028400).

Almost surely, 2^214680500091 is an apocalyptic number.

214680500091 is a deficient number, since it is larger than the sum of its proper divisors (122601317509).

214680500091 is a wasteful number, since it uses less digits than its factorization.

214680500091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4657 (or 4651 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 214680500091 in words is "two hundred fourteen billion, six hundred eighty million, five hundred thousand, ninety-one".