4021203986 has 8 divisors (see below), whose sum is σ = 6178923324. Its totient is φ = 1961562880.

The previous prime is 4021203971. The next prime is 4021204007. The reversal of 4021203986 is 6893021204.

It can be written as a sum of positive squares in 2 ways, for example, as 3935178361 + 86025625 = 62731^2 + 9275^2 .

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

It is a Curzon number.

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, 24519455 + ... + 24519618.

Almost surely, 2^4021203986 is an apocalyptic number.

4021203986 is a deficient number, since it is larger than the sum of its proper divisors (2157719338).

4021203986 is a wasteful number, since it uses less digits than its factorization.

4021203986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49039116.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 4021203986 is about 63412.9638638662. The cubic root of 4021203986 is about 1590.2010460017.

The spelling of 4021203986 in words is "four billion, twenty-one million, two hundred three thousand, nine hundred eighty-six".