65966474479 has 2 divisors, whose sum is σ = 65966474480. Its totient is φ = 65966474478.

The previous prime is 65966474429. The next prime is 65966474503. The reversal of 65966474479 is 97447466956.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65966474479 - 2⁷ = 65966474351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65966474429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32983237239 + 32983237240.

It is an arithmetic number, because the mean of its divisors is an integer number (32983237240).

Almost surely, 2^65966474479 is an apocalyptic number.

65966474479 is a deficient number, since it is larger than the sum of its proper divisors (1).

65966474479 is an equidigital number, since it uses as much as digits as its factorization.

65966474479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 274337280, while the sum is 67.

The spelling of 65966474479 in words is "sixty-five billion, nine hundred sixty-six million, four hundred seventy-four thousand, four hundred seventy-nine".