42865497447 has 8 divisors (see below), whose sum is σ = 60162101760. Its totient is φ = 27072945720.

The previous prime is 42865497431. The next prime is 42865497449. The reversal of 42865497447 is 74479456824.

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

It is not a de Polignac number, because 42865497447 - 2⁴ = 42865497431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42865497449) 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, 376013079 + ... + 376013192.

It is an arithmetic number, because the mean of its divisors is an integer number (7520262720).

Almost surely, 2^42865497447 is an apocalyptic number.

42865497447 is a deficient number, since it is larger than the sum of its proper divisors (17296604313).

42865497447 is a wasteful number, since it uses less digits than its factorization.

42865497447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752026293.

The product of its digits is 54190080, while the sum is 60.

The spelling of 42865497447 in words is "forty-two billion, eight hundred sixty-five million, four hundred ninety-seven thousand, four hundred forty-seven".