66930253343 has 2 divisors, whose sum is σ = 66930253344. Its totient is φ = 66930253342.

The previous prime is 66930253333. The next prime is 66930253349. The reversal of 66930253343 is 34335203966.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66930253343 - 2⁶ = 66930253279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66930253294 and 66930253303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66930253349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33465126671 + 33465126672.

It is an arithmetic number, because the mean of its divisors is an integer number (33465126672).

Almost surely, 2^66930253343 is an apocalyptic number.

66930253343 is a deficient number, since it is larger than the sum of its proper divisors (1).

66930253343 is an equidigital number, since it uses as much as digits as its factorization.

66930253343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1049760, while the sum is 44.

The spelling of 66930253343 in words is "sixty-six billion, nine hundred thirty million, two hundred fifty-three thousand, three hundred forty-three".