73656064567 has 2 divisors, whose sum is σ = 73656064568. Its totient is φ = 73656064566.

The previous prime is 73656064553. The next prime is 73656064571. The reversal of 73656064567 is 76546065637.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73656064567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73656067567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36828032283 + 36828032284.

It is an arithmetic number, because the mean of its divisors is an integer number (36828032284).

Almost surely, 2^73656064567 is an apocalyptic number.

73656064567 is a deficient number, since it is larger than the sum of its proper divisors (1).

73656064567 is an equidigital number, since it uses as much as digits as its factorization.

73656064567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19051200, while the sum is 55.

The spelling of 73656064567 in words is "seventy-three billion, six hundred fifty-six million, sixty-four thousand, five hundred sixty-seven".