42873005517 has 32 divisors (see below), whose sum is σ = 60750248832. Its totient is φ = 26801516544.

The previous prime is 42873005473. The next prime is 42873005521. The reversal of 42873005517 is 71550037824.

It is not a de Polignac number, because 42873005517 - 2¹¹ = 42873003469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42873005557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24125733 + ... + 24127509.

It is an arithmetic number, because the mean of its divisors is an integer number (1898445276).

Almost surely, 2^42873005517 is an apocalyptic number.

It is an amenable number.

42873005517 is a deficient number, since it is larger than the sum of its proper divisors (17877243315).

42873005517 is a wasteful number, since it uses less digits than its factorization.

42873005517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277.

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 42873005517 in words is "forty-two billion, eight hundred seventy-three million, five thousand, five hundred seventeen".