42800182909 has 4 divisors (see below), whose sum is σ = 46691108640. Its totient is φ = 38909257180.

The previous prime is 42800182877. The next prime is 42800182921. The reversal of 42800182909 is 90928100824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42800182909 - 2⁵ = 42800182877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42800182949) 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, 1945462849 + ... + 1945462870.

It is an arithmetic number, because the mean of its divisors is an integer number (11672777160).

Almost surely, 2^42800182909 is an apocalyptic number.

It is an amenable number.

42800182909 is a deficient number, since it is larger than the sum of its proper divisors (3890925731).

42800182909 is a wasteful number, since it uses less digits than its factorization.

42800182909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3890925730.

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 42800182909 in words is "forty-two billion, eight hundred million, one hundred eighty-two thousand, nine hundred nine".