47853581509 has 2 divisors, whose sum is σ = 47853581510. Its totient is φ = 47853581508.

The previous prime is 47853581473. The next prime is 47853581533. The reversal of 47853581509 is 90518535874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41118917284 + 6734664225 = 202778^2 + 82065^2 .

It is a cyclic number.

It is not a de Polignac number, because 47853581509 - 2³¹ = 45706097861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47853581509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47853581309) 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, 23926790754 + 23926790755.

It is an arithmetic number, because the mean of its divisors is an integer number (23926790755).

Almost surely, 2^47853581509 is an apocalyptic number.

It is an amenable number.

47853581509 is a deficient number, since it is larger than the sum of its proper divisors (1).

47853581509 is an equidigital number, since it uses as much as digits as its factorization.

47853581509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048000, while the sum is 55.

The spelling of 47853581509 in words is "forty-seven billion, eight hundred fifty-three million, five hundred eighty-one thousand, five hundred nine".