49089848618 has 8 divisors (see below), whose sum is σ = 77966230212. Its totient is φ = 23101105216.

The previous prime is 49089848581. The next prime is 49089848657. The reversal of 49089848618 is 81684898094.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49054719289 + 35129329 = 221483^2 + 5927^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721909505 + ... + 721909572.

Almost surely, 2^49089848618 is an apocalyptic number.

49089848618 is a deficient number, since it is larger than the sum of its proper divisors (28876381594).

49089848618 is a wasteful number, since it uses less digits than its factorization.

49089848618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443819096.

The product of its (nonzero) digits is 31850496, while the sum is 65.

The spelling of 49089848618 in words is "forty-nine billion, eighty-nine million, eight hundred forty-eight thousand, six hundred eighteen".