9949719419 has 4 divisors (see below), whose sum is σ = 10052293944. Its totient is φ = 9847144896.

The previous prime is 9949719397. The next prime is 9949719427. The reversal of 9949719419 is 9149179499.

9949719419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9149179499 = 23 ⋅397790413.

It is a cyclic number.

It is not a de Polignac number, because 9949719419 - 2⁸ = 9949719163 is a prime.

It is a super-2 number, since 2×9949719419² (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 (9949719499) 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 3 ways as a sum of consecutive naturals, for example, 51287117 + ... + 51287310.

It is an arithmetic number, because the mean of its divisors is an integer number (2513073486).

Almost surely, 2^9949719419 is an apocalyptic number.

9949719419 is a deficient number, since it is larger than the sum of its proper divisors (102574525).

9949719419 is a wasteful number, since it uses less digits than its factorization.

9949719419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102574524.

The product of its digits is 6613488, while the sum is 62.

The square root of 9949719419 is about 99748.2802809151. The cubic root of 9949719419 is about 2150.8177469099.

The spelling of 9949719419 in words is "nine billion, nine hundred forty-nine million, seven hundred nineteen thousand, four hundred nineteen".