47819720629 has 2 divisors, whose sum is σ = 47819720630. Its totient is φ = 47819720628.

The previous prime is 47819720573. The next prime is 47819720633. The reversal of 47819720629 is 92602791874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35724780100 + 12094940529 = 189010^2 + 109977^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47819720629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47819720629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47819721629) 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, 23909860314 + 23909860315.

It is an arithmetic number, because the mean of its divisors is an integer number (23909860315).

Almost surely, 2^47819720629 is an apocalyptic number.

It is an amenable number.

47819720629 is a deficient number, since it is larger than the sum of its proper divisors (1).

47819720629 is an equidigital number, since it uses as much as digits as its factorization.

47819720629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 47819720629 in words is "forty-seven billion, eight hundred nineteen million, seven hundred twenty thousand, six hundred twenty-nine".