4245194273 has 4 divisors (see below), whose sum is σ = 4258757508. Its totient is φ = 4231631040.

The previous prime is 4245194267. The next prime is 4245194279. The reversal of 4245194273 is 3724915424.

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

It is an interprime number because it is at equal distance from previous prime (4245194267) and next prime (4245194279).

It can be written as a sum of positive squares in 2 ways, for example, as 1831240849 + 2413953424 = 42793^2 + 49132^2 .

It is a cyclic number.

It is not a de Polignac number, because 4245194273 - 2⁴ = 4245194257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4245194273.

It is not an unprimeable number, because it can be changed into a prime (4245194279) by changing a digit.

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, 6781148 + ... + 6781773.

It is an arithmetic number, because the mean of its divisors is an integer number (1064689377).

Almost surely, 2^4245194273 is an apocalyptic number.

It is an amenable number.

4245194273 is a deficient number, since it is larger than the sum of its proper divisors (13563235).

4245194273 is a wasteful number, since it uses less digits than its factorization.

4245194273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13563234.

The product of its digits is 241920, while the sum is 41.

The square root of 4245194273 is about 65155.1553831314. The cubic root of 4245194273 is about 1619.1951335117.

The spelling of 4245194273 in words is "four billion, two hundred forty-five million, one hundred ninety-four thousand, two hundred seventy-three".