60565998491 has 2 divisors, whose sum is σ = 60565998492. Its totient is φ = 60565998490.

The previous prime is 60565998443. The next prime is 60565998539. The reversal of 60565998491 is 19489956506.

It is a happy number.

60565998491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (60565998443) and next prime (60565998539).

It is a cyclic number.

It is not a de Polignac number, because 60565998491 - 2¹⁴ = 60565982107 is a prime.

It is not a weakly prime, because it can be changed into another prime (60565998421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30282999245 + 30282999246.

It is an arithmetic number, because the mean of its divisors is an integer number (30282999246).

Almost surely, 2^60565998491 is an apocalyptic number.

60565998491 is a deficient number, since it is larger than the sum of its proper divisors (1).

60565998491 is an equidigital number, since it uses as much as digits as its factorization.

60565998491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20995200, while the sum is 62.

The spelling of 60565998491 in words is "sixty billion, five hundred sixty-five million, nine hundred ninety-eight thousand, four hundred ninety-one".