42646226046421 has 8 divisors (see below), whose sum is σ = 42659273303424. Its totient is φ = 42633179513760.

The previous prime is 42646226046401. The next prime is 42646226046451. The reversal of 42646226046421 is 12464062264624.

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

It is a cyclic number.

It is not a de Polignac number, because 42646226046421 - 2²⁷ = 42646091828693 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 (42646226046401) 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, 132250641 + ... + 132572713.

It is an arithmetic number, because the mean of its divisors is an integer number (5332409162928).

Almost surely, 2^{42646226046421} is an apocalyptic number.

It is an amenable number.

42646226046421 is a deficient number, since it is larger than the sum of its proper divisors (13047257003).

42646226046421 is a wasteful number, since it uses less digits than its factorization.

42646226046421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362171.

The product of its (nonzero) digits is 5308416, while the sum is 49.

The spelling of 42646226046421 in words is "forty-two trillion, six hundred forty-six billion, two hundred twenty-six million, forty-six thousand, four hundred twenty-one".