9019905272048 has 20 divisors (see below), whose sum is σ = 19064799779928. Its totient is φ = 4099956941760.

The previous prime is 9019905272047. The next prime is 9019905272099. The reversal of 9019905272048 is 8402725099109.

It is a super-2 number, since 2×9019905272048² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9019905271984 and 9019905272002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9019905272047) 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, 25624730711 + ... + 25624731062.

Almost surely, 2^{9019905272048} is an apocalyptic number.

It is an amenable number.

9019905272048 is an abundant number, since it is smaller than the sum of its proper divisors (10044894507880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9019905272048 is a wasteful number, since it uses less digits than its factorization.

9019905272048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51249461792 (or 51249461786 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 56.

The spelling of 9019905272048 in words is "nine trillion, nineteen billion, nine hundred five million, two hundred seventy-two thousand, forty-eight".