16934955619 has 4 divisors (see below), whose sum is σ = 16940764144. Its totient is φ = 16929147096.

The previous prime is 16934955617. The next prime is 16934955733. The reversal of 16934955619 is 91655943961.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16934955619 - 2¹ = 16934955617 is a prime.

It is a super-2 number, since 2×16934955619² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16934955617) 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, 2899887 + ... + 2905720.

It is an arithmetic number, because the mean of its divisors is an integer number (4235191036).

Almost surely, 2^16934955619 is an apocalyptic number.

16934955619 is a deficient number, since it is larger than the sum of its proper divisors (5808525).

16934955619 is an equidigital number, since it uses as much as digits as its factorization.

16934955619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5808524.

The product of its digits is 7873200, while the sum is 58.

The spelling of 16934955619 in words is "sixteen billion, nine hundred thirty-four million, nine hundred fifty-five thousand, six hundred nineteen".