19419419361 has 8 divisors (see below), whose sum is σ = 25937907424. Its totient is φ = 12923605440.

The previous prime is 19419419353. The next prime is 19419419429. The reversal of 19419419361 is 16391491491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19419419361 - 2³ = 19419419353 is a prime.

It is a super-2 number, since 2×19419419361² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19419419361.

It is not an unprimeable number, because it can be changed into a prime (19419419161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5666536 + ... + 5669961.

It is an arithmetic number, because the mean of its divisors is an integer number (3242238428).

Almost surely, 2^19419419361 is an apocalyptic number.

It is an amenable number.

19419419361 is a deficient number, since it is larger than the sum of its proper divisors (6518488063).

19419419361 is a wasteful number, since it uses less digits than its factorization.

19419419361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11337071.

The product of its digits is 209952, while the sum is 48.

The spelling of 19419419361 in words is "nineteen billion, four hundred nineteen million, four hundred nineteen thousand, three hundred sixty-one".