42650889169 has 8 divisors (see below), whose sum is σ = 49780977408. Its totient is φ = 35780076960.

The previous prime is 42650889163. The next prime is 42650889181. The reversal of 42650889169 is 96198805624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42650889169 is a prime.

It is a super-2 number, since 2×42650889169² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42650889163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64818652 + ... + 64819309.

It is an arithmetic number, because the mean of its divisors is an integer number (6222622176).

Almost surely, 2^42650889169 is an apocalyptic number.

It is an amenable number.

42650889169 is a deficient number, since it is larger than the sum of its proper divisors (7130088239).

42650889169 is a wasteful number, since it uses less digits than its factorization.

42650889169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129638015.

The product of its (nonzero) digits is 7464960, while the sum is 58.

The spelling of 42650889169 in words is "forty-two billion, six hundred fifty million, eight hundred eighty-nine thousand, one hundred sixty-nine".