42229050487161 has 4 divisors (see below), whose sum is σ = 56305400649552. Its totient is φ = 28152700324772.

The previous prime is 42229050487061. The next prime is 42229050487219. The reversal of 42229050487161 is 16178405092224.

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 42229050487161 - 2³⁷ = 42091611533689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42229050487061) 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, 7038175081191 + ... + 7038175081196.

It is an arithmetic number, because the mean of its divisors is an integer number (14076350162388).

Almost surely, 2^{42229050487161} is an apocalyptic number.

It is an amenable number.

42229050487161 is a deficient number, since it is larger than the sum of its proper divisors (14076350162391).

42229050487161 is a wasteful number, since it uses less digits than its factorization.

42229050487161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14076350162390.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 42229050487161 in words is "forty-two trillion, two hundred twenty-nine billion, fifty million, four hundred eighty-seven thousand, one hundred sixty-one".