106743446770021 has 8 divisors (see below), whose sum is σ = 106953947956440. Its totient is φ = 106532948679168.

The previous prime is 106743446769929. The next prime is 106743446770033. The reversal of 106743446770021 is 120077644347601.

It can be written as a sum of positive squares in 4 ways, for example, as 38027818888900 + 68715627881121 = 6166670^2 + 8289489^2 .

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 106743446770021 - 2⁴¹ = 104544423514469 is a prime.

It is a super-2 number, since 2×106743446770021² (a number of 29 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 (106743446770621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75700785 + ... + 77097961.

It is an arithmetic number, because the mean of its divisors is an integer number (13369243494555).

Almost surely, 2^{106743446770021} is an apocalyptic number.

It is an amenable number.

106743446770021 is a deficient number, since it is larger than the sum of its proper divisors (210501186419).

106743446770021 is a wasteful number, since it uses less digits than its factorization.

106743446770021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547783.

The product of its (nonzero) digits is 4741632, while the sum is 52.

The spelling of 106743446770021 in words is "one hundred six trillion, seven hundred forty-three billion, four hundred forty-six million, seven hundred seventy thousand, twenty-one".