67602952543 has 4 divisors (see below), whose sum is σ = 77260517200. Its totient is φ = 57945387888.

The previous prime is 67602952537. The next prime is 67602952591. The reversal of 67602952543 is 34525920676.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67602952543 is a prime.

It is a super-2 number, since 2×67602952543² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67602952523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4828782318 + ... + 4828782331.

It is an arithmetic number, because the mean of its divisors is an integer number (19315129300).

Almost surely, 2^67602952543 is an apocalyptic number.

67602952543 is a deficient number, since it is larger than the sum of its proper divisors (9657564657).

67602952543 is an equidigital number, since it uses as much as digits as its factorization.

67602952543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9657564656.

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 67602952543 in words is "sixty-seven billion, six hundred two million, nine hundred fifty-two thousand, five hundred forty-three".