67424674663 has 8 divisors (see below), whose sum is σ = 67967521776. Its totient is φ = 66882254400.

The previous prime is 67424674651. The next prime is 67424674703. The reversal of 67424674663 is 36647642476.

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-67424674663 is a prime.

It is a super-2 number, since 2×67424674663² (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 (67424674613) 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, 214345 + ... + 425197.

It is an arithmetic number, because the mean of its divisors is an integer number (8495940222).

Almost surely, 2^67424674663 is an apocalyptic number.

67424674663 is a deficient number, since it is larger than the sum of its proper divisors (542847113).

67424674663 is a wasteful number, since it uses less digits than its factorization.

67424674663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213425.

The product of its digits is 24385536, while the sum is 55.

The spelling of 67424674663 in words is "sixty-seven billion, four hundred twenty-four million, six hundred seventy-four thousand, six hundred sixty-three".