14953397519 has 4 divisors (see below), whose sum is σ = 15062546544. Its totient is φ = 14844248496.

The previous prime is 14953397509. The next prime is 14953397521. The reversal of 14953397519 is 91579335941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91579335941 = 12547 ⋅7298903.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14953397519 is a prime.

It is a super-2 number, since 2×14953397519² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14953397509) 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, 54574307 + ... + 54574580.

It is an arithmetic number, because the mean of its divisors is an integer number (3765636636).

Almost surely, 2^14953397519 is an apocalyptic number.

14953397519 is a deficient number, since it is larger than the sum of its proper divisors (109149025).

14953397519 is a wasteful number, since it uses less digits than its factorization.

14953397519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109149024.

The product of its digits is 4592700, while the sum is 56.

The spelling of 14953397519 in words is "fourteen billion, nine hundred fifty-three million, three hundred ninety-seven thousand, five hundred nineteen".