14315643544 has 8 divisors (see below), whose sum is σ = 26841831660. Its totient is φ = 7157821768.

The previous prime is 14315643487. The next prime is 14315643557. The reversal of 14315643544 is 44534651341.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 14315643497 and 14315643506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 894727714 + ... + 894727729.

Almost surely, 2^14315643544 is an apocalyptic number.

It is an amenable number.

14315643544 is a deficient number, since it is larger than the sum of its proper divisors (12526188116).

14315643544 is a wasteful number, since it uses less digits than its factorization.

14315643544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789455449 (or 1789455445 counting only the distinct ones).

The product of its digits is 345600, while the sum is 40.

The spelling of 14315643544 in words is "fourteen billion, three hundred fifteen million, six hundred forty-three thousand, five hundred forty-four".