16419635384 has 16 divisors (see below), whose sum is σ = 32407175400. Its totient is φ = 7777721952.

The previous prime is 16419635381. The next prime is 16419635399. The reversal of 16419635384 is 48353691461.

It is a super-2 number, since 2×16419635384² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16419635381) 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, 54011807 + ... + 54012110.

Almost surely, 2^16419635384 is an apocalyptic number.

It is an amenable number.

16419635384 is a deficient number, since it is larger than the sum of its proper divisors (15987540016).

16419635384 is a wasteful number, since it uses less digits than its factorization.

16419635384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108023942 (or 108023938 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 50.

The spelling of 16419635384 in words is "sixteen billion, four hundred nineteen million, six hundred thirty-five thousand, three hundred eighty-four".