42530631017 has 4 divisors (see below), whose sum is σ = 48606435456. Its totient is φ = 36454826580.

The previous prime is 42530630953. The next prime is 42530631043. The reversal of 42530631017 is 71013603524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42530631017 - 2⁶ = 42530630953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42530631067) 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, 3037902209 + ... + 3037902222.

It is an arithmetic number, because the mean of its divisors is an integer number (12151608864).

Almost surely, 2^42530631017 is an apocalyptic number.

It is an amenable number.

42530631017 is a deficient number, since it is larger than the sum of its proper divisors (6075804439).

42530631017 is an equidigital number, since it uses as much as digits as its factorization.

42530631017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6075804438.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 42530631017 in words is "forty-two billion, five hundred thirty million, six hundred thirty-one thousand, seventeen".