94444350021 has 24 divisors (see below), whose sum is σ = 157515443904. Its totient is φ = 53411823360.

The previous prime is 94444349999. The next prime is 94444350029. The reversal of 94444350021 is 12005344449.

94444350021 is a `hidden beast` number, since 94 + 4 + 4 + 43 + 500 + 21 = 666.

It is not a de Polignac number, because 94444350021 - 2¹⁴ = 94444333637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94444350029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7721295 + ... + 7733516.

It is an arithmetic number, because the mean of its divisors is an integer number (6563143496).

Almost surely, 2^94444350021 is an apocalyptic number.

It is an amenable number.

94444350021 is a deficient number, since it is larger than the sum of its proper divisors (63071093883).

94444350021 is a wasteful number, since it uses less digits than its factorization.

94444350021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15454921 (or 15454918 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 94444350021 in words is "ninety-four billion, four hundred forty-four million, three hundred fifty thousand, twenty-one".