4201438894 has 4 divisors (see below), whose sum is σ = 6302158344. Its totient is φ = 2100719446.

The previous prime is 4201438873. The next prime is 4201438903. The reversal of 4201438894 is 4988341024.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4201438894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050359722 + ... + 1050359725.

It is an arithmetic number, because the mean of its divisors is an integer number (1575539586).

Almost surely, 2^4201438894 is an apocalyptic number.

4201438894 is a deficient number, since it is larger than the sum of its proper divisors (2100719450).

4201438894 is a wasteful number, since it uses less digits than its factorization.

4201438894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100719449.

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 4201438894 is about 64818.5073416536. The cubic root of 4201438894 is about 1613.6128752096.

It can be divided in two parts, 42014 and 38894, that added together give a palindrome (80908).

The spelling of 4201438894 in words is "four billion, two hundred one million, four hundred thirty-eight thousand, eight hundred ninety-four".