94181242819 has 4 divisors (see below), whose sum is σ = 99721315944. Its totient is φ = 88641169696.

The previous prime is 94181242801. The next prime is 94181242829. The reversal of 94181242819 is 91824218149.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91824218149 = 17 ⋅5401424597.

It is a cyclic number.

It is not a de Polignac number, because 94181242819 - 2¹⁹ = 94180718531 is a prime.

It is a super-2 number, since 2×94181242819² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94181242829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2770036537 + ... + 2770036570.

It is an arithmetic number, because the mean of its divisors is an integer number (24930328986).

Almost surely, 2^94181242819 is an apocalyptic number.

94181242819 is a deficient number, since it is larger than the sum of its proper divisors (5540073125).

94181242819 is a wasteful number, since it uses less digits than its factorization.

94181242819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5540073124.

The product of its digits is 331776, while the sum is 49.

The spelling of 94181242819 in words is "ninety-four billion, one hundred eighty-one million, two hundred forty-two thousand, eight hundred nineteen".