66029741441 has 2 divisors, whose sum is σ = 66029741442. Its totient is φ = 66029741440.

The previous prime is 66029741417. The next prime is 66029741447. The reversal of 66029741441 is 14414792066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65712759025 + 316982416 = 256345^2 + 17804^2 .

It is a cyclic number.

It is not a de Polignac number, because 66029741441 - 2³⁰ = 64955999617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66029741392 and 66029741401.

It is not a weakly prime, because it can be changed into another prime (66029741447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33014870720 + 33014870721.

It is an arithmetic number, because the mean of its divisors is an integer number (33014870721).

Almost surely, 2^66029741441 is an apocalyptic number.

It is an amenable number.

66029741441 is a deficient number, since it is larger than the sum of its proper divisors (1).

66029741441 is an equidigital number, since it uses as much as digits as its factorization.

66029741441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 66029741441 in words is "sixty-six billion, twenty-nine million, seven hundred forty-one thousand, four hundred forty-one".