94690975945 has 4 divisors (see below), whose sum is σ = 113629171140. Its totient is φ = 75752780752.

The previous prime is 94690975933. The next prime is 94690975969. The reversal of 94690975945 is 54957909649.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54957909649 = 53003 ⋅1036883.

It can be written as a sum of positive squares in 2 ways, for example, as 66017649721 + 28673326224 = 256939^2 + 169332^2 .

It is a cyclic number.

It is not a de Polignac number, because 94690975945 - 2²¹ = 94688878793 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9469097590 + ... + 9469097599.

It is an arithmetic number, because the mean of its divisors is an integer number (28407292785).

Almost surely, 2^94690975945 is an apocalyptic number.

It is an amenable number.

94690975945 is a deficient number, since it is larger than the sum of its proper divisors (18938195195).

94690975945 is a wasteful number, since it uses less digits than its factorization.

94690975945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18938195194.

The product of its (nonzero) digits is 110224800, while the sum is 67.

The spelling of 94690975945 in words is "ninety-four billion, six hundred ninety million, nine hundred seventy-five thousand, nine hundred forty-five".