64602713543 has 2 divisors, whose sum is σ = 64602713544. Its totient is φ = 64602713542.

The previous prime is 64602713521. The next prime is 64602713551. The reversal of 64602713543 is 34531720646.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64602713543 - 2¹⁰ = 64602712519 is a prime.

It is a super-2 number, since 2×64602713543² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64602713543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64602793543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32301356771 + 32301356772.

It is an arithmetic number, because the mean of its divisors is an integer number (32301356772).

Almost surely, 2^64602713543 is an apocalyptic number.

64602713543 is a deficient number, since it is larger than the sum of its proper divisors (1).

64602713543 is an equidigital number, since it uses as much as digits as its factorization.

64602713543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 64602713543 in words is "sixty-four billion, six hundred two million, seven hundred thirteen thousand, five hundred forty-three".