642308341027 has 8 divisors (see below), whose sum is σ = 643238356464. Its totient is φ = 641378987808.

The previous prime is 642308340943. The next prime is 642308341049. The reversal of 642308341027 is 720143803246.

It is a happy number.

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 642308341027 - 2¹¹ = 642308338979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (642308345027) 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, 1792428 + ... + 2120710.

It is an arithmetic number, because the mean of its divisors is an integer number (80404794558).

Almost surely, 2^642308341027 is an apocalyptic number.

642308341027 is a deficient number, since it is larger than the sum of its proper divisors (930015437).

642308341027 is a wasteful number, since it uses less digits than its factorization.

642308341027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331109.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 642308341027 in words is "six hundred forty-two billion, three hundred eight million, three hundred forty-one thousand, twenty-seven".