47988218933 has 2 divisors, whose sum is σ = 47988218934. Its totient is φ = 47988218932.

The previous prime is 47988218909. The next prime is 47988218951. The reversal of 47988218933 is 33981288974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47898386449 + 89832484 = 218857^2 + 9478^2 .

It is a cyclic number.

It is not a de Polignac number, because 47988218933 - 2⁶ = 47988218869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47988218633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23994109466 + 23994109467.

It is an arithmetic number, because the mean of its divisors is an integer number (23994109467).

Almost surely, 2^47988218933 is an apocalyptic number.

It is an amenable number.

47988218933 is a deficient number, since it is larger than the sum of its proper divisors (1).

47988218933 is an equidigital number, since it uses as much as digits as its factorization.

47988218933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20901888, while the sum is 62.

The spelling of 47988218933 in words is "forty-seven billion, nine hundred eighty-eight million, two hundred eighteen thousand, nine hundred thirty-three".