42364666646 has 8 divisors (see below), whose sum is σ = 65738275920. Its totient is φ = 20451908008.

The previous prime is 42364666639. The next prime is 42364666651. The reversal of 42364666646 is 64666646324.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365212586 + ... + 365212701.

It is an arithmetic number, because the mean of its divisors is an integer number (8217284490).

Almost surely, 2^42364666646 is an apocalyptic number.

42364666646 is a deficient number, since it is larger than the sum of its proper divisors (23373609274).

42364666646 is a wasteful number, since it uses less digits than its factorization.

42364666646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730425318.

The product of its digits is 17915904, while the sum is 53.

The spelling of 42364666646 in words is "forty-two billion, three hundred sixty-four million, six hundred sixty-six thousand, six hundred forty-six".