42673993689601 has 4 divisors (see below), whose sum is σ = 42674264280000. Its totient is φ = 42673723099204.

The previous prime is 42673993689599. The next prime is 42673993689611. The reversal of 42673993689601 is 10698639937624.

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 42673993689601 - 2¹ = 42673993689599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42673993689611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135058501 + ... + 135374098.

It is an arithmetic number, because the mean of its divisors is an integer number (10668566070000).

Almost surely, 2^{42673993689601} is an apocalyptic number.

It is an amenable number.

42673993689601 is a deficient number, since it is larger than the sum of its proper divisors (270590399).

42673993689601 is a wasteful number, since it uses less digits than its factorization.

42673993689601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270590398.

The product of its (nonzero) digits is 634894848, while the sum is 73.

The spelling of 42673993689601 in words is "forty-two trillion, six hundred seventy-three billion, nine hundred ninety-three million, six hundred eighty-nine thousand, six hundred one".