94373959681 has 4 divisors (see below), whose sum is σ = 99925369092. Its totient is φ = 88822550272.

The previous prime is 94373959663. The next prime is 94373959723. The reversal of 94373959681 is 18695937349.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44876609281 + 49497350400 = 211841^2 + 222480^2 .

It is a cyclic number.

It is not a de Polignac number, because 94373959681 - 2¹¹ = 94373957633 is a prime.

It is a super-2 number, since 2×94373959681² (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 (94373959081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2775704680 + ... + 2775704713.

It is an arithmetic number, because the mean of its divisors is an integer number (24981342273).

Almost surely, 2^94373959681 is an apocalyptic number.

It is an amenable number.

94373959681 is a deficient number, since it is larger than the sum of its proper divisors (5551409411).

94373959681 is a wasteful number, since it uses less digits than its factorization.

94373959681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5551409410.

The product of its digits is 44089920, while the sum is 64.

The spelling of 94373959681 in words is "ninety-four billion, three hundred seventy-three million, nine hundred fifty-nine thousand, six hundred eighty-one".