14881979519 has 16 divisors (see below), whose sum is σ = 16605613440. Its totient is φ = 13222788960.

The previous prime is 14881979479. The next prime is 14881979533. The reversal of 14881979519 is 91597918841.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14881979519 is a prime.

It is a super-3 number, since 3×14881979519³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14881979549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46004 + ... + 178550.

It is an arithmetic number, because the mean of its divisors is an integer number (1037850840).

Almost surely, 2^14881979519 is an apocalyptic number.

14881979519 is a deficient number, since it is larger than the sum of its proper divisors (1723633921).

14881979519 is a wasteful number, since it uses less digits than its factorization.

14881979519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132790.

The product of its digits is 6531840, while the sum is 62.

The spelling of 14881979519 in words is "fourteen billion, eight hundred eighty-one million, nine hundred seventy-nine thousand, five hundred nineteen".