47899318993 has 16 divisors (see below), whose sum is σ = 51565764096. Its totient is φ = 44410584960.

The previous prime is 47899318979. The next prime is 47899318997. The reversal of 47899318993 is 39981399874.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-47899318993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47899318997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301921 + ... + 432382.

It is an arithmetic number, because the mean of its divisors is an integer number (3222860256).

Almost surely, 2^47899318993 is an apocalyptic number.

47899318993 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

47899318993 is a deficient number, since it is larger than the sum of its proper divisors (3666445103).

47899318993 is a wasteful number, since it uses less digits than its factorization.

47899318993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734424.

The product of its digits is 105815808, while the sum is 70.

The spelling of 47899318993 in words is "forty-seven billion, eight hundred ninety-nine million, three hundred eighteen thousand, nine hundred ninety-three".