16930930897 has 4 divisors (see below), whose sum is σ = 17324673520. Its totient is φ = 16537188276.

The previous prime is 16930930883. The next prime is 16930930901. The reversal of 16930930897 is 79803903961.

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: 79803903961 = 53 ⋅1505734037.

It is a cyclic number.

It is not a de Polignac number, because 16930930897 - 2⁷ = 16930930769 is a prime.

It is a super-4 number, since 4×16930930897⁴ (a number of 42 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16930930817) 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, 196871247 + ... + 196871332.

It is an arithmetic number, because the mean of its divisors is an integer number (4331168380).

Almost surely, 2^16930930897 is an apocalyptic number.

It is an amenable number.

16930930897 is a deficient number, since it is larger than the sum of its proper divisors (393742623).

16930930897 is an equidigital number, since it uses as much as digits as its factorization.

16930930897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393742622.

The product of its (nonzero) digits is 2204496, while the sum is 55.

The spelling of 16930930897 in words is "sixteen billion, nine hundred thirty million, nine hundred thirty thousand, eight hundred ninety-seven".