67731344030399 has 12 divisors (see below), whose sum is σ = 78799051420200. Its totient is φ = 58048416539568.

The previous prime is 67731344030353. The next prime is 67731344030429. The reversal of 67731344030399 is 99303044313776.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-67731344030399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67731344030099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83176409 + ... + 83986770.

It is an arithmetic number, because the mean of its divisors is an integer number (6566587618350).

Almost surely, 2^{67731344030399} is an apocalyptic number.

67731344030399 is a deficient number, since it is larger than the sum of its proper divisors (11067707389801).

67731344030399 is a wasteful number, since it uses less digits than its factorization.

67731344030399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167171462 (or 167171455 counting only the distinct ones).

The product of its (nonzero) digits is 30862944, while the sum is 59.

The spelling of 67731344030399 in words is "sixty-seven trillion, seven hundred thirty-one billion, three hundred forty-four million, thirty thousand, three hundred ninety-nine".