904148383261 has 2 divisors, whose sum is σ = 904148383262. Its totient is φ = 904148383260.

The previous prime is 904148383217. The next prime is 904148383283. The reversal of 904148383261 is 162383841409.

It is a happy number.

904148383261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 672408200025 + 231740183236 = 820005^2 + 481394^2 .

It is a cyclic number.

It is not a de Polignac number, because 904148383261 - 2³³ = 895558448669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (904148383211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452074191630 + 452074191631.

It is an arithmetic number, because the mean of its divisors is an integer number (452074191631).

Almost surely, 2^904148383261 is an apocalyptic number.

It is an amenable number.

904148383261 is a deficient number, since it is larger than the sum of its proper divisors (1).

904148383261 is an equidigital number, since it uses as much as digits as its factorization.

904148383261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 904148383261 in words is "nine hundred four billion, one hundred forty-eight million, three hundred eighty-three thousand, two hundred sixty-one".