601947259649 has 2 divisors, whose sum is σ = 601947259650. Its totient is φ = 601947259648.

The previous prime is 601947259579. The next prime is 601947259733. The reversal of 601947259649 is 946952749106.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 584521411600 + 17425848049 = 764540^2 + 132007^2 .

It is a cyclic number.

It is not a de Polignac number, because 601947259649 - 2²⁰ = 601946211073 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 601947259591 and 601947259600.

It is not a weakly prime, because it can be changed into another prime (601947259549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300973629824 + 300973629825.

It is an arithmetic number, because the mean of its divisors is an integer number (300973629825).

Almost surely, 2^601947259649 is an apocalyptic number.

It is an amenable number.

601947259649 is a deficient number, since it is larger than the sum of its proper divisors (1).

601947259649 is an equidigital number, since it uses as much as digits as its factorization.

601947259649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29393280, while the sum is 62.

The spelling of 601947259649 in words is "six hundred one billion, nine hundred forty-seven million, two hundred fifty-nine thousand, six hundred forty-nine".