42147663117 has 64 divisors (see below), whose sum is σ = 69995520000. Its totient is φ = 22012922880.

The previous prime is 42147663113. The next prime is 42147663119. The reversal of 42147663117 is 71136674124.

It is not a de Polignac number, because 42147663117 - 2² = 42147663113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42147663113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1708134 + ... + 1732632.

It is an arithmetic number, because the mean of its divisors is an integer number (1093680000).

Almost surely, 2^42147663117 is an apocalyptic number.

It is an amenable number.

42147663117 is a deficient number, since it is larger than the sum of its proper divisors (27847856883).

42147663117 is a wasteful number, since it uses less digits than its factorization.

42147663117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24666.

The product of its digits is 169344, while the sum is 42.

The spelling of 42147663117 in words is "forty-two billion, one hundred forty-seven million, six hundred sixty-three thousand, one hundred seventeen".