42865518677041 has 4 divisors (see below), whose sum is σ = 42866002133284. Its totient is φ = 42865035220800.

The previous prime is 42865518676991. The next prime is 42865518677063. The reversal of 42865518677041 is 14077681556824.

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 4236994092816 + 38628524584225 = 2058396^2 + 6215185^2 .

It is a cyclic number.

It is not a de Polignac number, because 42865518677041 - 2¹³ = 42865518668849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42865518977041) 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, 241595100 + ... + 241772461.

It is an arithmetic number, because the mean of its divisors is an integer number (10716500533321).

Almost surely, 2^{42865518677041} is an apocalyptic number.

It is an amenable number.

42865518677041 is a deficient number, since it is larger than the sum of its proper divisors (483456243).

42865518677041 is an equidigital number, since it uses as much as digits as its factorization.

42865518677041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483456242.

The product of its (nonzero) digits is 90316800, while the sum is 64.

The spelling of 42865518677041 in words is "forty-two trillion, eight hundred sixty-five billion, five hundred eighteen million, six hundred seventy-seven thousand, forty-one".