42918116857414 has 4 divisors (see below), whose sum is σ = 64377175286124. Its totient is φ = 21459058428706.

The previous prime is 42918116857381. The next prime is 42918116857459. The reversal of 42918116857414 is 41475861181924.

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

It is a congruent 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 as a sum of consecutive naturals, namely, 10729529214352 + ... + 10729529214355.

It is an arithmetic number, because the mean of its divisors is an integer number (16094293821531).

Almost surely, 2^{42918116857414} is an apocalyptic number.

42918116857414 is a deficient number, since it is larger than the sum of its proper divisors (21459058428710).

42918116857414 is a wasteful number, since it uses less digits than its factorization.

42918116857414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21459058428709.

The product of its digits is 15482880, while the sum is 61.

The spelling of 42918116857414 in words is "forty-two trillion, nine hundred eighteen billion, one hundred sixteen million, eight hundred fifty-seven thousand, four hundred fourteen".