67654110013 has 4 divisors (see below), whose sum is σ = 77318982880. Its totient is φ = 57989237148.

The previous prime is 67654109923. The next prime is 67654110047. The reversal of 67654110013 is 31001145676.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67654110013 - 2²¹ = 67652012861 is a prime.

It is a super-2 number, since 2×67654110013² (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 (67654110113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4832436423 + ... + 4832436436.

It is an arithmetic number, because the mean of its divisors is an integer number (19329745720).

Almost surely, 2^67654110013 is an apocalyptic number.

It is an amenable number.

67654110013 is a deficient number, since it is larger than the sum of its proper divisors (9664872867).

67654110013 is an equidigital number, since it uses as much as digits as its factorization.

67654110013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9664872866.

The product of its (nonzero) digits is 15120, while the sum is 34.

Adding to 67654110013 its reverse (31001145676), we get a palindrome (98655255689).

The spelling of 67654110013 in words is "sixty-seven billion, six hundred fifty-four million, one hundred ten thousand, thirteen".