642274843327 has 8 divisors (see below), whose sum is σ = 691736460800. Its totient is φ = 592821205920.

The previous prime is 642274843291. The next prime is 642274843367. The reversal of 642274843327 is 723348472246.

642274843327 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 642274843327 - 2¹⁵ = 642274810559 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 (642274843367) 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, 1827327 + ... + 2150272.

It is an arithmetic number, because the mean of its divisors is an integer number (86467057600).

Almost surely, 2^642274843327 is an apocalyptic number.

642274843327 is a deficient number, since it is larger than the sum of its proper divisors (49461617473).

642274843327 is a wasteful number, since it uses less digits than its factorization.

642274843327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3990033.

The product of its digits is 10838016, while the sum is 52.

The spelling of 642274843327 in words is "six hundred forty-two billion, two hundred seventy-four million, eight hundred forty-three thousand, three hundred twenty-seven".