49048999218 has 18 divisors (see below), whose sum is σ = 106274867517. Its totient is φ = 16349353200.

The previous prime is 49048999201. The next prime is 49048999231. The reversal of 49048999218 is 81299984094.

49048999218 is a `hidden beast` number, since 49 + 0 + 489 + 99 + 21 + 8 = 666.

49048999218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 41997534489 + 7051464729 = 204933^2 + 83973^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=156603.

It is a super-2 number, since 2×49048999218² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 913518 + ... + 965718.

Almost surely, 2^49048999218 is an apocalyptic number.

49048999218 is an abundant number, since it is smaller than the sum of its proper divisors (57225868299).

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

49048999218 is an frugal number, since it uses more digits than its factorization.

49048999218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104410 (or 52206 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 63.

The spelling of 49048999218 in words is "forty-nine billion, forty-eight million, nine hundred ninety-nine thousand, two hundred eighteen".