42881605207 has 4 divisors (see below), whose sum is σ = 49007548816. Its totient is φ = 36755661600.

The previous prime is 42881605201. The next prime is 42881605297. The reversal of 42881605207 is 70250618824.

It is a happy number.

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

It is not a de Polignac number, because 42881605207 - 2¹⁹ = 42881080919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42881605201) 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, 3062971794 + ... + 3062971807.

It is an arithmetic number, because the mean of its divisors is an integer number (12251887204).

Almost surely, 2^42881605207 is an apocalyptic number.

42881605207 is a deficient number, since it is larger than the sum of its proper divisors (6125943609).

42881605207 is an equidigital number, since it uses as much as digits as its factorization.

42881605207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6125943608.

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 42881605207 in words is "forty-two billion, eight hundred eighty-one million, six hundred five thousand, two hundred seven".