47380009618 has 8 divisors (see below), whose sum is σ = 71115900300. Its totient is φ = 23674709520.

The previous prime is 47380009601. The next prime is 47380009639. The reversal of 47380009618 is 81690008374.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42081188769 + 5298820849 = 205137^2 + 72793^2 .

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

It is a super-2 number, since 2×47380009618² (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 3 ways as a sum of consecutive naturals, for example, 7643773 + ... + 7649968.

Almost surely, 2^47380009618 is an apocalyptic number.

47380009618 is a deficient number, since it is larger than the sum of its proper divisors (23735890682).

47380009618 is a wasteful number, since it uses less digits than its factorization.

47380009618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15295292.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 47380009618 in words is "forty-seven billion, three hundred eighty million, nine thousand, six hundred eighteen".