47988218919 has 16 divisors (see below), whose sum is σ = 68509294560. Its totient is φ = 29771934720.

The previous prime is 47988218909. The next prime is 47988218933. The reversal of 47988218919 is 91981288974.

It is not a de Polignac number, because 47988218919 - 2¹³ = 47988210727 is a prime.

It is a super-2 number, since 2×47988218919² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47988218919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47988218909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5281672 + ... + 5290749.

It is an arithmetic number, because the mean of its divisors is an integer number (4281830910).

Almost surely, 2^47988218919 is an apocalyptic number.

47988218919 is a deficient number, since it is larger than the sum of its proper divisors (20521075641).

47988218919 is a wasteful number, since it uses less digits than its factorization.

47988218919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10572530.

The product of its digits is 20901888, while the sum is 66.

The spelling of 47988218919 in words is "forty-seven billion, nine hundred eighty-eight million, two hundred eighteen thousand, nine hundred nineteen".