42680616361 has 4 divisors (see below), whose sum is σ = 42681697792. Its totient is φ = 42679534932.

The previous prime is 42680616359. The next prime is 42680616371. The reversal of 42680616361 is 16361608624.

It is a happy number.

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 42680616361 - 2¹ = 42680616359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42680616301) 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, 479181 + ... + 561226.

It is an arithmetic number, because the mean of its divisors is an integer number (10670424448).

Almost surely, 2^42680616361 is an apocalyptic number.

It is an amenable number.

42680616361 is a deficient number, since it is larger than the sum of its proper divisors (1081431).

42680616361 is a wasteful number, since it uses less digits than its factorization.

42680616361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081430.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 42680616361 in words is "forty-two billion, six hundred eighty million, six hundred sixteen thousand, three hundred sixty-one".