4245378794 has 4 divisors (see below), whose sum is σ = 6368068194. Its totient is φ = 2122689396.

The previous prime is 4245378769. The next prime is 4245378799. The reversal of 4245378794 is 4978735424.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 2559044569 + 1686334225 = 50587^2 + 41065^2 .

It is a super-2 number, since 2×4245378794² = 36046482209089788872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4245378799) 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 as a sum of consecutive naturals, namely, 1061344697 + ... + 1061344700.

Almost surely, 2^4245378794 is an apocalyptic number.

4245378794 is a deficient number, since it is larger than the sum of its proper divisors (2122689400).

4245378794 is a wasteful number, since it uses less digits than its factorization.

4245378794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122689399.

The product of its digits is 6773760, while the sum is 53.

The square root of 4245378794 is about 65156.5713800228. The cubic root of 4245378794 is about 1619.2185930723.

The spelling of 4245378794 in words is "four billion, two hundred forty-five million, three hundred seventy-eight thousand, seven hundred ninety-four".