4203066562561 has 2 divisors, whose sum is σ = 4203066562562. Its totient is φ = 4203066562560.

The previous prime is 4203066562507. The next prime is 4203066562567. The reversal of 4203066562561 is 1652656603024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4106171324161 + 96895238400 = 2026369^2 + 311280^2 .

It is a cyclic number.

It is not a de Polignac number, because 4203066562561 - 2²³ = 4203058173953 is a prime.

It is not a weakly prime, because it can be changed into another prime (4203066562567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2101533281280 + 2101533281281.

It is an arithmetic number, because the mean of its divisors is an integer number (2101533281281).

Almost surely, 2^{4203066562561} is an apocalyptic number.

It is an amenable number.

4203066562561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4203066562561 is an equidigital number, since it uses as much as digits as its factorization.

4203066562561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 4203066562561 in words is "four trillion, two hundred three billion, sixty-six million, five hundred sixty-two thousand, five hundred sixty-one".