4462738921 has 16 divisors (see below), whose sum is σ = 4822364160. Its totient is φ = 4117220800.

The previous prime is 4462738897. The next prime is 4462738927. The reversal of 4462738921 is 1298372644.

It is a happy number.

4462738921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4462738921 - 2¹⁹ = 4462214633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4462738927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 764811 + ... + 770623.

It is an arithmetic number, because the mean of its divisors is an integer number (301397760).

Almost surely, 2^4462738921 is an apocalyptic number.

It is an amenable number.

4462738921 is a deficient number, since it is larger than the sum of its proper divisors (359625239).

4462738921 is a wasteful number, since it uses less digits than its factorization.

4462738921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7016.

The product of its digits is 580608, while the sum is 46.

The square root of 4462738921 is about 66803.7343342421. The cubic root of 4462738921 is about 1646.3941976024.

The spelling of 4462738921 in words is "four billion, four hundred sixty-two million, seven hundred thirty-eight thousand, nine hundred twenty-one".