52381425947 has 2 divisors, whose sum is σ = 52381425948. Its totient is φ = 52381425946.

The previous prime is 52381425917. The next prime is 52381425953. The reversal of 52381425947 is 74952418325.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52381425947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52381425895 and 52381425904.

It is not a weakly prime, because it can be changed into another prime (52381425917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26190712973 + 26190712974.

It is an arithmetic number, because the mean of its divisors is an integer number (26190712974).

Almost surely, 2^52381425947 is an apocalyptic number.

52381425947 is a deficient number, since it is larger than the sum of its proper divisors (1).

52381425947 is an equidigital number, since it uses as much as digits as its factorization.

52381425947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2419200, while the sum is 50.

The spelling of 52381425947 in words is "fifty-two billion, three hundred eighty-one million, four hundred twenty-five thousand, nine hundred forty-seven".