42726068566193 has 4 divisors (see below), whose sum is σ = 43206136752420. Its totient is φ = 42246000379968.

The previous prime is 42726068566121. The next prime is 42726068566241. The reversal of 42726068566193 is 39166586062724.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10245837631744 + 32480230934449 = 3200912^2 + 5699143^2 .

It is a cyclic number.

It is not a de Polignac number, because 42726068566193 - 2²⁴ = 42726051788977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42726068563193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240034092980 + ... + 240034093157.

It is an arithmetic number, because the mean of its divisors is an integer number (10801534188105).

It is a 1-persistent number, because it is pandigital, but 2⋅42726068566193 = 85452137132386 is not.

Almost surely, 2^{42726068566193} is an apocalyptic number.

It is an amenable number.

42726068566193 is a deficient number, since it is larger than the sum of its proper divisors (480068186227).

42726068566193 is an equidigital number, since it uses as much as digits as its factorization.

42726068566193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480068186226.

The product of its (nonzero) digits is 156764160, while the sum is 65.

The spelling of 42726068566193 in words is "forty-two trillion, seven hundred twenty-six billion, sixty-eight million, five hundred sixty-six thousand, one hundred ninety-three".