14919208321 has 8 divisors (see below), whose sum is σ = 14987483784. Its totient is φ = 14850969600.

The previous prime is 14919208307. The next prime is 14919208331. The reversal of 14919208321 is 12380291941.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 374848321 + 14544360000 = 19361^2 + 120600^2 .

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 14919208321 - 2⁷ = 14919208193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14919208301) 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, 1111965 + ... + 1125301.

It is an arithmetic number, because the mean of its divisors is an integer number (1873435473).

Almost surely, 2^14919208321 is an apocalyptic number.

It is an amenable number.

14919208321 is a deficient number, since it is larger than the sum of its proper divisors (68275463).

14919208321 is a wasteful number, since it uses less digits than its factorization.

14919208321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18371.

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 14919208321 in words is "fourteen billion, nine hundred nineteen million, two hundred eight thousand, three hundred twenty-one".