14646906553 has 4 divisors (see below), whose sum is σ = 14665284900. Its totient is φ = 14628528208.

The previous prime is 14646906541. The next prime is 14646906559. The reversal of 14646906553 is 35560964641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11897791929 + 2749114624 = 109077^2 + 52432^2 .

It is a cyclic number.

It is not a de Polignac number, because 14646906553 - 2¹³ = 14646898361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14646906497 and 14646906506.

It is not an unprimeable number, because it can be changed into a prime (14646906559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9187978 + ... + 9189571.

It is an arithmetic number, because the mean of its divisors is an integer number (3666321225).

Almost surely, 2^14646906553 is an apocalyptic number.

It is an amenable number.

14646906553 is a deficient number, since it is larger than the sum of its proper divisors (18378347).

14646906553 is an equidigital number, since it uses as much as digits as its factorization.

14646906553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18378346.

The product of its (nonzero) digits is 2332800, while the sum is 49.

The spelling of 14646906553 in words is "fourteen billion, six hundred forty-six million, nine hundred six thousand, five hundred fifty-three".