4172495994 has 36 divisors (see below), whose sum is σ = 9288454266. Its totient is φ = 1352701296.

The previous prime is 4172495993. The next prime is 4172496011. The reversal of 4172495994 is 4995942714.

4172495994 is a `hidden beast` number, since 4 + 1 + 7 + 2 + 49 + 599 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2762868969 + 1409627025 = 52563^2 + 37545^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4172495994.

It is not an unprimeable number, because it can be changed into a prime (4172495993) 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 17 ways as a sum of consecutive naturals, for example, 1665747 + ... + 1668249.

Almost surely, 2^4172495994 is an apocalyptic number.

4172495994 is an abundant number, since it is smaller than the sum of its proper divisors (5115958272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4172495994 is an equidigital number, since it uses as much as digits as its factorization.

4172495994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051 (or 2545 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 4172495994 is about 64594.8604302231. The cubic root of 4172495994 is about 1609.8990451467.

The spelling of 4172495994 in words is "four billion, one hundred seventy-two million, four hundred ninety-five thousand, nine hundred ninety-four".