94942885409 has 2 divisors, whose sum is σ = 94942885410. Its totient is φ = 94942885408.

The previous prime is 94942885393. The next prime is 94942885459. The reversal of 94942885409 is 90458824949.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94942864384 + 21025 = 308128^2 + 145^2 .

It is an emirp because it is prime and its reverse (90458824949) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94942885409 - 2⁴ = 94942885393 is a prime.

It is not a weakly prime, because it can be changed into another prime (94942885459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47471442704 + 47471442705.

It is an arithmetic number, because the mean of its divisors is an integer number (47471442705).

Almost surely, 2^94942885409 is an apocalyptic number.

It is an amenable number.

94942885409 is a deficient number, since it is larger than the sum of its proper divisors (1).

94942885409 is an equidigital number, since it uses as much as digits as its factorization.

94942885409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29859840, while the sum is 62.

The spelling of 94942885409 in words is "ninety-four billion, nine hundred forty-two million, eight hundred eighty-five thousand, four hundred nine".