42943996177 has 4 divisors (see below), whose sum is σ = 42948707380. Its totient is φ = 42939284976.

The previous prime is 42943996171. The next prime is 42943996211. The reversal of 42943996177 is 77169934924.

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 23220883456 + 19723112721 = 152384^2 + 140439^2 .

It is a cyclic number.

It is not a de Polignac number, because 42943996177 - 2¹⁵ = 42943963409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42943996171) 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 3 ways as a sum of consecutive naturals, for example, 2341902 + ... + 2360167.

It is an arithmetic number, because the mean of its divisors is an integer number (10737176845).

Almost surely, 2^42943996177 is an apocalyptic number.

It is an amenable number.

42943996177 is a deficient number, since it is larger than the sum of its proper divisors (4711203).

42943996177 is an equidigital number, since it uses as much as digits as its factorization.

42943996177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4711202.

The product of its digits is 20575296, while the sum is 61.

The spelling of 42943996177 in words is "forty-two billion, nine hundred forty-three million, nine hundred ninety-six thousand, one hundred seventy-seven".