94664439645 has 16 divisors (see below), whose sum is σ = 151503832320. Its totient is φ = 50474124864.

The previous prime is 94664439643. The next prime is 94664439647. The reversal of 94664439645 is 54693446649.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (94664439643) and next prime (94664439647).

It is not a de Polignac number, because 94664439645 - 2¹ = 94664439643 is a prime.

It is a super-2 number, since 2×94664439645² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94664439643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 790750 + ... + 902559.

It is an arithmetic number, because the mean of its divisors is an integer number (9468989520).

Almost surely, 2^94664439645 is an apocalyptic number.

It is an amenable number.

94664439645 is a deficient number, since it is larger than the sum of its proper divisors (56839392675).

94664439645 is a wasteful number, since it uses less digits than its factorization.

94664439645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697044.

The product of its digits is 67184640, while the sum is 60.

The spelling of 94664439645 in words is "ninety-four billion, six hundred sixty-four million, four hundred thirty-nine thousand, six hundred forty-five".