67421437514603 has 8 divisors (see below), whose sum is σ = 70574737507488. Its totient is φ = 64286631950464.

The previous prime is 67421437514569. The next prime is 67421437514671. The reversal of 67421437514603 is 30641573412476.

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

It is not a de Polignac number, because 67421437514603 - 2¹² = 67421437510507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67421437514303) 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, 4623599726 + ... + 4623614307.

It is an arithmetic number, because the mean of its divisors is an integer number (8821842188436).

Almost surely, 2^{67421437514603} is an apocalyptic number.

67421437514603 is a deficient number, since it is larger than the sum of its proper divisors (3153299992885).

67421437514603 is a wasteful number, since it uses less digits than its factorization.

67421437514603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9247214373.

The product of its (nonzero) digits is 10160640, while the sum is 53.

The spelling of 67421437514603 in words is "sixty-seven trillion, four hundred twenty-one billion, four hundred thirty-seven million, five hundred fourteen thousand, six hundred three".