660246434293 has 2 divisors, whose sum is σ = 660246434294. Its totient is φ = 660246434292.

The previous prime is 660246434227. The next prime is 660246434389. The reversal of 660246434293 is 392434642066.

It is a happy number.

660246434293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 635947236369 + 24299197924 = 797463^2 + 155882^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-660246434293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (660246434203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330123217146 + 330123217147.

It is an arithmetic number, because the mean of its divisors is an integer number (330123217147).

Almost surely, 2^660246434293 is an apocalyptic number.

It is an amenable number.

660246434293 is a deficient number, since it is larger than the sum of its proper divisors (1).

660246434293 is an equidigital number, since it uses as much as digits as its factorization.

660246434293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4478976, while the sum is 49.

The spelling of 660246434293 in words is "six hundred sixty billion, two hundred forty-six million, four hundred thirty-four thousand, two hundred ninety-three".