16969352393 has 4 divisors (see below), whose sum is σ = 19393545600. Its totient is φ = 14545159188.

The previous prime is 16969352359. The next prime is 16969352401. The reversal of 16969352393 is 39325396961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39325396961 = 241 ⋅163175921.

It is not a de Polignac number, because 16969352393 - 2¹⁴ = 16969336009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16969552393) 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, 1212096593 + ... + 1212096606.

It is an arithmetic number, because the mean of its divisors is an integer number (4848386400).

Almost surely, 2^16969352393 is an apocalyptic number.

It is an amenable number.

16969352393 is a deficient number, since it is larger than the sum of its proper divisors (2424193207).

16969352393 is an equidigital number, since it uses as much as digits as its factorization.

16969352393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424193206.

The product of its digits is 7085880, while the sum is 56.

The spelling of 16969352393 in words is "sixteen billion, nine hundred sixty-nine million, three hundred fifty-two thousand, three hundred ninety-three".