2004296545945 has 4 divisors (see below), whose sum is σ = 2405155855140. Its totient is φ = 1603437236752.

The previous prime is 2004296545943. The next prime is 2004296545961. The reversal of 2004296545945 is 5495456924002.

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 2 ways, for example, as 1352375948889 + 651920597056 = 1162917^2 + 807416^2 .

It is a cyclic number.

It is not a de Polignac number, because 2004296545945 - 2¹ = 2004296545943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2004296545943) 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, 200429654590 + ... + 200429654599.

It is an arithmetic number, because the mean of its divisors is an integer number (601288963785).

Almost surely, 2^{2004296545945} is an apocalyptic number.

It is an amenable number.

2004296545945 is a deficient number, since it is larger than the sum of its proper divisors (400859309195).

2004296545945 is an equidigital number, since it uses as much as digits as its factorization.

2004296545945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400859309194.

The product of its (nonzero) digits is 15552000, while the sum is 55.

The spelling of 2004296545945 in words is "two trillion, four billion, two hundred ninety-six million, five hundred forty-five thousand, nine hundred forty-five".