14763091221 has 6 divisors (see below), whose sum is σ = 21324465110. Its totient is φ = 9842060808.

The previous prime is 14763091207. The next prime is 14763091237. The reversal of 14763091221 is 12219036741.

14763091221 is a `hidden beast` number, since 1 + 4 + 7 + 630 + 9 + 12 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14163380100 + 599711121 = 119010^2 + 24489^2 .

It is not a de Polignac number, because 14763091221 - 2⁹ = 14763090709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14763091241) 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, 820171726 + ... + 820171743.

Almost surely, 2^14763091221 is an apocalyptic number.

It is an amenable number.

14763091221 is a deficient number, since it is larger than the sum of its proper divisors (6561373889).

14763091221 is a wasteful number, since it uses less digits than its factorization.

14763091221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640343475 (or 1640343472 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 14763091221 in words is "fourteen billion, seven hundred sixty-three million, ninety-one thousand, two hundred twenty-one".