94123978402849 has 2 divisors, whose sum is σ = 94123978402850. Its totient is φ = 94123978402848.

The previous prime is 94123978402843. The next prime is 94123978403033. The reversal of 94123978402849 is 94820487932149.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61743952183824 + 32380026219025 = 7857732^2 + 5690345^2 .

It is a cyclic number.

It is not a de Polignac number, because 94123978402849 - 2⁷ = 94123978402721 is a prime.

It is not a weakly prime, because it can be changed into another prime (94123978402843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47061989201424 + 47061989201425.

It is an arithmetic number, because the mean of its divisors is an integer number (47061989201425).

Almost surely, 2^{94123978402849} is an apocalyptic number.

It is an amenable number.

94123978402849 is a deficient number, since it is larger than the sum of its proper divisors (1).

94123978402849 is an equidigital number, since it uses as much as digits as its factorization.

94123978402849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 250822656, while the sum is 70.

The spelling of 94123978402849 in words is "ninety-four trillion, one hundred twenty-three billion, nine hundred seventy-eight million, four hundred two thousand, eight hundred forty-nine".