42880912069 has 4 divisors (see below), whose sum is σ = 42900083244. Its totient is φ = 42861740896.

The previous prime is 42880912049. The next prime is 42880912073. The reversal of 42880912069 is 96021908824.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25764423169 + 17116488900 = 160513^2 + 130830^2 .

It is a cyclic number.

It is not a de Polignac number, because 42880912069 - 2³³ = 34290977477 is a prime.

It is a super-2 number, since 2×42880912069² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42880912049) 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, 9582232 + ... + 9586705.

It is an arithmetic number, because the mean of its divisors is an integer number (10725020811).

Almost surely, 2^42880912069 is an apocalyptic number.

It is an amenable number.

42880912069 is a deficient number, since it is larger than the sum of its proper divisors (19171175).

42880912069 is a wasteful number, since it uses less digits than its factorization.

42880912069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19171174.

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 42880912069 in words is "forty-two billion, eight hundred eighty million, nine hundred twelve thousand, sixty-nine".