4245194279 has 2 divisors, whose sum is σ = 4245194280. Its totient is φ = 4245194278.

The previous prime is 4245194267. The next prime is 4245194351. The reversal of 4245194279 is 9724915424.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4245194279 - 2²⁸ = 3976758823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4245194209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2122597139 + 2122597140.

It is an arithmetic number, because the mean of its divisors is an integer number (2122597140).

Almost surely, 2^4245194279 is an apocalyptic number.

4245194279 is a deficient number, since it is larger than the sum of its proper divisors (1).

4245194279 is an equidigital number, since it uses as much as digits as its factorization.

4245194279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The square root of 4245194279 is about 65155.1554291754. The cubic root of 4245194279 is about 1619.1951342746.

The spelling of 4245194279 in words is "four billion, two hundred forty-five million, one hundred ninety-four thousand, two hundred seventy-nine".