60491865793 has 2 divisors, whose sum is σ = 60491865794. Its totient is φ = 60491865792.

The previous prime is 60491865773. The next prime is 60491865839. The reversal of 60491865793 is 39756819406.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48185957169 + 12305908624 = 219513^2 + 110932^2 .

It is a cyclic number.

It is not a de Polignac number, because 60491865793 - 2⁵ = 60491865761 is a prime.

It is not a weakly prime, because it can be changed into another prime (60491865773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30245932896 + 30245932897.

It is an arithmetic number, because the mean of its divisors is an integer number (30245932897).

Almost surely, 2^60491865793 is an apocalyptic number.

It is an amenable number.

60491865793 is a deficient number, since it is larger than the sum of its proper divisors (1).

60491865793 is an equidigital number, since it uses as much as digits as its factorization.

60491865793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 60491865793 in words is "sixty billion, four hundred ninety-one million, eight hundred sixty-five thousand, seven hundred ninety-three".