94372181824 has 28 divisors (see below), whose sum is σ = 187488425124. Its totient is φ = 47131003904.

The previous prime is 94372181819. The next prime is 94372181851. The reversal of 94372181824 is 42818127349.

It can be written as a sum of positive squares in 2 ways, for example, as 64939348224 + 29432833600 = 254832^2 + 171560^2 .

It is a super-2 number, since 2×94372181824² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 805459 + ... + 915154.

It is an arithmetic number, because the mean of its divisors is an integer number (6696015183).

Almost surely, 2^94372181824 is an apocalyptic number.

It is an amenable number.

94372181824 is a deficient number, since it is larger than the sum of its proper divisors (93116243300).

94372181824 is a wasteful number, since it uses less digits than its factorization.

94372181824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721482 (or 1721472 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The spelling of 94372181824 in words is "ninety-four billion, three hundred seventy-two million, one hundred eighty-one thousand, eight hundred twenty-four".