4021363438 has 4 divisors (see below), whose sum is σ = 6032045160. Its totient is φ = 2010681718.

The previous prime is 4021363427. The next prime is 4021363453. The reversal of 4021363438 is 8343631204.

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, 1005340858 + ... + 1005340861.

It is an arithmetic number, because the mean of its divisors is an integer number (1508011290).

Almost surely, 2^4021363438 is an apocalyptic number.

4021363438 is a deficient number, since it is larger than the sum of its proper divisors (2010681722).

4021363438 is a wasteful number, since it uses less digits than its factorization.

4021363438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010681721.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 4021363438 is about 63414.2211022102. The cubic root of 4021363438 is about 1590.2220643656. Note that the first 3 decimals are identical.

The spelling of 4021363438 in words is "four billion, twenty-one million, three hundred sixty-three thousand, four hundred thirty-eight".