16870734547 has 4 divisors (see below), whose sum is σ = 16871003440. Its totient is φ = 16870465656.

The previous prime is 16870734449. The next prime is 16870734689. The reversal of 16870734547 is 74543707861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74543707861 = 7 ⋅10649101123.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16870734547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16870734494 and 16870734503.

It is not an unprimeable number, because it can be changed into a prime (16870732547) 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, 15154 + ... + 184312.

It is an arithmetic number, because the mean of its divisors is an integer number (4217750860).

Almost surely, 2^16870734547 is an apocalyptic number.

16870734547 is a deficient number, since it is larger than the sum of its proper divisors (268893).

16870734547 is an equidigital number, since it uses as much as digits as its factorization.

16870734547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268892.

The product of its (nonzero) digits is 3951360, while the sum is 52.

The spelling of 16870734547 in words is "sixteen billion, eight hundred seventy million, seven hundred thirty-four thousand, five hundred forty-seven".