42919956986 has 8 divisors (see below), whose sum is σ = 64381007520. Its totient is φ = 21459621148.

The previous prime is 42919956983. The next prime is 42919957013. The reversal of 42919956986 is 68965991924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42919956983) 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, 12275 + ... + 293241.

It is an arithmetic number, because the mean of its divisors is an integer number (8047625940).

Almost surely, 2^42919956986 is an apocalyptic number.

42919956986 is a deficient number, since it is larger than the sum of its proper divisors (21461050534).

42919956986 is a wasteful number, since it uses less digits than its factorization.

42919956986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357348.

The product of its digits is 75582720, while the sum is 68.

The spelling of 42919956986 in words is "forty-two billion, nine hundred nineteen million, nine hundred fifty-six thousand, nine hundred eighty-six".