2004296545961 has 2 divisors, whose sum is σ = 2004296545962. Its totient is φ = 2004296545960.

The previous prime is 2004296545943. The next prime is 2004296545963. The reversal of 2004296545961 is 1695456924002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1398646830736 + 605649715225 = 1182644^2 + 778235^2 .

It is a cyclic number.

It is not a de Polignac number, because 2004296545961 - 2³⁰ = 2003222804137 is a prime.

Together with 2004296545963, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2004296545963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002148272980 + 1002148272981.

It is an arithmetic number, because the mean of its divisors is an integer number (1002148272981).

Almost surely, 2^{2004296545961} is an apocalyptic number.

It is an amenable number.

2004296545961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2004296545961 is an equidigital number, since it uses as much as digits as its factorization.

2004296545961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 2004296545961 in words is "two trillion, four billion, two hundred ninety-six million, five hundred forty-five thousand, nine hundred sixty-one".