60660993973 has 2 divisors, whose sum is σ = 60660993974. Its totient is φ = 60660993972.

The previous prime is 60660993959. The next prime is 60660993979. The reversal of 60660993973 is 37939906606.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38493655204 + 22167338769 = 196198^2 + 148887^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60660993973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60660993979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30330496986 + 30330496987.

It is an arithmetic number, because the mean of its divisors is an integer number (30330496987).

Almost surely, 2^60660993973 is an apocalyptic number.

It is an amenable number.

60660993973 is a deficient number, since it is larger than the sum of its proper divisors (1).

60660993973 is an equidigital number, since it uses as much as digits as its factorization.

60660993973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9920232, while the sum is 58.

The spelling of 60660993973 in words is "sixty billion, six hundred sixty million, nine hundred ninety-three thousand, nine hundred seventy-three".