42471275065 has 8 divisors (see below), whose sum is σ = 51057033480. Its totient is φ = 33916017792.

The previous prime is 42471275039. The next prime is 42471275069. The reversal of 42471275065 is 56057217424.

It can be written as a sum of positive squares in 4 ways, for example, as 1461379984 + 41009895081 = 38228^2 + 202509^2 .

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 42471275065 - 2⁹ = 42471274553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42471275069) 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, 7622220 + ... + 7627789.

It is an arithmetic number, because the mean of its divisors is an integer number (6382129185).

Almost surely, 2^42471275065 is an apocalyptic number.

It is an amenable number.

42471275065 is a deficient number, since it is larger than the sum of its proper divisors (8585758415).

42471275065 is a wasteful number, since it uses less digits than its factorization.

42471275065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15250571.

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 42471275065 in words is "forty-two billion, four hundred seventy-one million, two hundred seventy-five thousand, sixty-five".