642270323070101 has 16 divisors (see below), whose sum is σ = 719605892852160. Its totient is φ = 568093113118080.

The previous prime is 642270323070091. The next prime is 642270323070107. The reversal of 642270323070101 is 101070323072246.

It is not a de Polignac number, because 642270323070101 - 2³⁸ = 641995445163157 is a prime.

It is a super-2 number, since 2×642270323070101² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642270323070107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15967985 + ... + 39236681.

It is an arithmetic number, because the mean of its divisors is an integer number (44975368303260).

Almost surely, 2^{642270323070101} is an apocalyptic number.

It is an amenable number.

642270323070101 is a deficient number, since it is larger than the sum of its proper divisors (77335569782059).

642270323070101 is a wasteful number, since it uses less digits than its factorization.

642270323070101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23336564.

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 642270323070101 in words is "six hundred forty-two trillion, two hundred seventy billion, three hundred twenty-three million, seventy thousand, one hundred one".