642102263159 has 8 divisors (see below), whose sum is σ = 740563554720. Its totient is φ = 545324070816.

The previous prime is 642102263057. The next prime is 642102263167. The reversal of 642102263159 is 951362201246.

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

It is not a de Polignac number, because 642102263159 - 2⁸ = 642102262903 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 (642102263359) 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, 420773984 + ... + 420775509.

It is an arithmetic number, because the mean of its divisors is an integer number (92570444340).

Almost surely, 2^642102263159 is an apocalyptic number.

642102263159 is a deficient number, since it is larger than the sum of its proper divisors (98461291561).

642102263159 is a wasteful number, since it uses less digits than its factorization.

642102263159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841549609.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 642102263159 in words is "six hundred forty-two billion, one hundred two million, two hundred sixty-three thousand, one hundred fifty-nine".