94449631021 has 8 divisors (see below), whose sum is σ = 99763752704. Its totient is φ = 89277219360.

The previous prime is 94449631019. The next prime is 94449631039. The reversal of 94449631021 is 12013694449.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 94449631021 - 2¹ = 94449631019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94449631091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35426136 + ... + 35428801.

It is an arithmetic number, because the mean of its divisors is an integer number (12470469088).

Almost surely, 2^94449631021 is an apocalyptic number.

It is an amenable number.

94449631021 is a deficient number, since it is larger than the sum of its proper divisors (5314121683).

94449631021 is a wasteful number, since it uses less digits than its factorization.

94449631021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70855011.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 94449631021 in words is "ninety-four billion, four hundred forty-nine million, six hundred thirty-one thousand, twenty-one".