65406282971 has 2 divisors, whose sum is σ = 65406282972. Its totient is φ = 65406282970.

The previous prime is 65406282947. The next prime is 65406283049. The reversal of 65406282971 is 17928260456.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65406282971 is a prime.

It is not a weakly prime, because it can be changed into another prime (65406282901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32703141485 + 32703141486.

It is an arithmetic number, because the mean of its divisors is an integer number (32703141486).

Almost surely, 2^65406282971 is an apocalyptic number.

65406282971 is a deficient number, since it is larger than the sum of its proper divisors (1).

65406282971 is an equidigital number, since it uses as much as digits as its factorization.

65406282971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 65406282971 in words is "sixty-five billion, four hundred six million, two hundred eighty-two thousand, nine hundred seventy-one".