42864019465 has 8 divisors (see below), whose sum is σ = 51908721480. Its totient is φ = 33976616832.

The previous prime is 42864019463. The next prime is 42864019469. The reversal of 42864019465 is 56491046824.

It can be written as a sum of positive squares in 4 ways, for example, as 8933274256 + 33930745209 = 94516^2 + 184203^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42864019465 - 2¹ = 42864019463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42864019463) 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, 39324244 + ... + 39325333.

It is an arithmetic number, because the mean of its divisors is an integer number (6488590185).

Almost surely, 2^42864019465 is an apocalyptic number.

It is an amenable number.

42864019465 is a deficient number, since it is larger than the sum of its proper divisors (9044702015).

42864019465 is a wasteful number, since it uses less digits than its factorization.

42864019465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78649691.

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 42864019465 in words is "forty-two billion, eight hundred sixty-four million, nineteen thousand, four hundred sixty-five".