49048020009 has 12 divisors (see below), whose sum is σ = 71010764916. Its totient is φ = 32623160832.

The previous prime is 49048019963. The next prime is 49048020013. The reversal of 49048020009 is 90002084094.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2163645225 + 46884374784 = 46515^2 + 216528^2 .

It is not a de Polignac number, because 49048020009 - 2³³ = 40458085417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49048020019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6289152 + ... + 6296945.

It is an arithmetic number, because the mean of its divisors is an integer number (5917563743).

Almost surely, 2^49048020009 is an apocalyptic number.

It is an amenable number.

49048020009 is a deficient number, since it is larger than the sum of its proper divisors (21962744907).

49048020009 is a wasteful number, since it uses less digits than its factorization.

49048020009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12586536 (or 12586533 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 49048020009 in words is "forty-nine billion, forty-eight million, twenty thousand, nine".