14649956221 has 8 divisors (see below), whose sum is σ = 14877698240. Its totient is φ = 14422481568.

The previous prime is 14649956207. The next prime is 14649956273. The reversal of 14649956221 is 12265994641.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14649956221 - 2⁷ = 14649956093 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 (14649956281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45040 + ... + 176998.

It is an arithmetic number, because the mean of its divisors is an integer number (1859712280).

Almost surely, 2^14649956221 is an apocalyptic number.

It is an amenable number.

14649956221 is a deficient number, since it is larger than the sum of its proper divisors (227742019).

14649956221 is a wasteful number, since it uses less digits than its factorization.

14649956221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133683.

The product of its digits is 933120, while the sum is 49.

The spelling of 14649956221 in words is "fourteen billion, six hundred forty-nine million, nine hundred fifty-six thousand, two hundred twenty-one".