14973963647 has 6 divisors (see below), whose sum is σ = 15906598368. Its totient is φ = 14093141984.

The previous prime is 14973963629. The next prime is 14973963671. The reversal of 14973963647 is 74636937941.

It is a happy number.

It is not a de Polignac number, because 14973963647 - 2⁶ = 14973963583 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 (14973963607) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25906223 + ... + 25906800.

It is an arithmetic number, because the mean of its divisors is an integer number (2651099728).

Almost surely, 2^14973963647 is an apocalyptic number.

14973963647 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

14973963647 is a deficient number, since it is larger than the sum of its proper divisors (932634721).

14973963647 is an equidigital number, since it uses as much as digits as its factorization.

14973963647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51813057 (or 51813040 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 59.

The spelling of 14973963647 in words is "fourteen billion, nine hundred seventy-three million, nine hundred sixty-three thousand, six hundred forty-seven".