42718903986 has 16 divisors (see below), whose sum is σ = 93204881568. Its totient is φ = 12945122400.

The previous prime is 42718903979. The next prime is 42718904003. The reversal of 42718903986 is 68930981724.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323627995 + ... + 323628126.

It is an arithmetic number, because the mean of its divisors is an integer number (5825305098).

Almost surely, 2^42718903986 is an apocalyptic number.

42718903986 is an abundant number, since it is smaller than the sum of its proper divisors (50485977582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42718903986 is a wasteful number, since it uses less digits than its factorization.

42718903986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647256137.

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 42718903986 in words is "forty-two billion, seven hundred eighteen million, nine hundred three thousand, nine hundred eighty-six".