65480595647 has 2 divisors, whose sum is σ = 65480595648. Its totient is φ = 65480595646.

The previous prime is 65480595613. The next prime is 65480595671. The reversal of 65480595647 is 74659508456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65480595647 - 2²⁶ = 65413486783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65480595247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32740297823 + 32740297824.

It is an arithmetic number, because the mean of its divisors is an integer number (32740297824).

Almost surely, 2^65480595647 is an apocalyptic number.

65480595647 is a deficient number, since it is larger than the sum of its proper divisors (1).

65480595647 is an equidigital number, since it uses as much as digits as its factorization.

65480595647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288000, while the sum is 59.

The spelling of 65480595647 in words is "sixty-five billion, four hundred eighty million, five hundred ninety-five thousand, six hundred forty-seven".