42006351715 has 4 divisors (see below), whose sum is σ = 50407622064. Its totient is φ = 33605081368.

The previous prime is 42006351707. The next prime is 42006351731. The reversal of 42006351715 is 51715360024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42006351715 - 2³ = 42006351707 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4200635167 + ... + 4200635176.

It is an arithmetic number, because the mean of its divisors is an integer number (12601905516).

Almost surely, 2^42006351715 is an apocalyptic number.

42006351715 is a deficient number, since it is larger than the sum of its proper divisors (8401270349).

42006351715 is an equidigital number, since it uses as much as digits as its factorization.

42006351715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8401270348.

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 42006351715 in words is "forty-two billion, six million, three hundred fifty-one thousand, seven hundred fifteen".