4219122986 has 8 divisors (see below), whose sum is σ = 6815506404. Its totient is φ = 1947287520.

The previous prime is 4219122953. The next prime is 4219122991. The reversal of 4219122986 is 6892219124.

It can be written as a sum of positive squares in 2 ways, for example, as 3879421225 + 339701761 = 62285^2 + 18431^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81136955 + ... + 81137006.

Almost surely, 2^4219122986 is an apocalyptic number.

4219122986 is a deficient number, since it is larger than the sum of its proper divisors (2596383418).

4219122986 is a wasteful number, since it uses less digits than its factorization.

4219122986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162273976.

The product of its digits is 124416, while the sum is 44.

The square root of 4219122986 is about 64954.7764679396. The cubic root of 4219122986 is about 1615.8736353193.

The spelling of 4219122986 in words is "four billion, two hundred nineteen million, one hundred twenty-two thousand, nine hundred eighty-six".