67437342641 has 8 divisors (see below), whose sum is σ = 67881421440. Its totient is φ = 66993743488.

The previous prime is 67437342631. The next prime is 67437342667. The reversal of 67437342641 is 14624373476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67437342641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67437342601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164420 + ... + 402378.

It is an arithmetic number, because the mean of its divisors is an integer number (8485177680).

Almost surely, 2^67437342641 is an apocalyptic number.

It is an amenable number.

67437342641 is a deficient number, since it is larger than the sum of its proper divisors (444078799).

67437342641 is a wasteful number, since it uses less digits than its factorization.

67437342641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239823.

The product of its digits is 2032128, while the sum is 47.

The spelling of 67437342641 in words is "sixty-seven billion, four hundred thirty-seven million, three hundred forty-two thousand, six hundred forty-one".