47798933939 has 2 divisors, whose sum is σ = 47798933940. Its totient is φ = 47798933938.

The previous prime is 47798933899. The next prime is 47798933953. The reversal of 47798933939 is 93933989774.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47798933939 is a prime.

It is not a weakly prime, because it can be changed into another prime (47798933999) 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 as a sum of consecutive naturals, namely, 23899466969 + 23899466970.

It is an arithmetic number, because the mean of its divisors is an integer number (23899466970).

Almost surely, 2^47798933939 is an apocalyptic number.

47798933939 is a deficient number, since it is larger than the sum of its proper divisors (1).

47798933939 is an equidigital number, since it uses as much as digits as its factorization.

47798933939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 277766496, while the sum is 71.

The spelling of 47798933939 in words is "forty-seven billion, seven hundred ninety-eight million, nine hundred thirty-three thousand, nine hundred thirty-nine".