9481604781959 has 2 divisors, whose sum is σ = 9481604781960. Its totient is φ = 9481604781958.

The previous prime is 9481604781941. The next prime is 9481604781983. The reversal of 9481604781959 is 9591874061849.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9481604781959 - 2³² = 9477309814663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9481604781892 and 9481604781901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9481604786959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4740802390979 + 4740802390980.

It is an arithmetic number, because the mean of its divisors is an integer number (4740802390980).

Almost surely, 2^{9481604781959} is an apocalyptic number.

9481604781959 is a deficient number, since it is larger than the sum of its proper divisors (1).

9481604781959 is an equidigital number, since it uses as much as digits as its factorization.

9481604781959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 156764160, while the sum is 71.

The spelling of 9481604781959 in words is "nine trillion, four hundred eighty-one billion, six hundred four million, seven hundred eighty-one thousand, nine hundred fifty-nine".