4004354245 has 4 divisors (see below), whose sum is σ = 4805225100. Its totient is φ = 3203483392.

The previous prime is 4004354243. The next prime is 4004354273. The reversal of 4004354245 is 5424534004.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1690936641 + 2313417604 = 41121^2 + 48098^2 .

It is a cyclic number.

It is not a de Polignac number, because 4004354245 - 2¹ = 4004354243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004354243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400435420 + ... + 400435429.

It is an arithmetic number, because the mean of its divisors is an integer number (1201306275).

Almost surely, 2^4004354245 is an apocalyptic number.

It is an amenable number.

4004354245 is a deficient number, since it is larger than the sum of its proper divisors (800870855).

4004354245 is an equidigital number, since it uses as much as digits as its factorization.

4004354245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800870854.

The product of its (nonzero) digits is 38400, while the sum is 31.

The square root of 4004354245 is about 63279.9671697134. The cubic root of 4004354245 is about 1587.9768375172.

Adding to 4004354245 its reverse (5424534004), we get a palindrome (9428888249).

The spelling of 4004354245 in words is "four billion, four million, three hundred fifty-four thousand, two hundred forty-five".