19441695049 has 16 divisors (see below), whose sum is σ = 22741475328. Its totient is φ = 16272707472.

The previous prime is 19441695041. The next prime is 19441695073. The reversal of 19441695049 is 94059614491.

It is not a de Polignac number, because 19441695049 - 2³ = 19441695041 is a prime.

It is a super-3 number, since 3×19441695049³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19441694987 and 19441695005.

It is not an unprimeable number, because it can be changed into a prime (19441695041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2249274 + ... + 2257900.

It is an arithmetic number, because the mean of its divisors is an integer number (1421342208).

Almost surely, 2^19441695049 is an apocalyptic number.

It is an amenable number.

19441695049 is a deficient number, since it is larger than the sum of its proper divisors (3299780279).

19441695049 is an equidigital number, since it uses as much as digits as its factorization.

19441695049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16164.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 19441695049 in words is "nineteen billion, four hundred forty-one million, six hundred ninety-five thousand, forty-nine".