4938402309 has 16 divisors (see below), whose sum is σ = 7014604800. Its totient is φ = 3081409776.

The previous prime is 4938402221. The next prime is 4938402311. The reversal of 4938402309 is 9032048394.

It is a happy number.

It is not a de Polignac number, because 4938402309 - 2²³ = 4930013701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4938402319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517189 + ... + 526650.

It is an arithmetic number, because the mean of its divisors is an integer number (438412800).

Almost surely, 2^4938402309 is an apocalyptic number.

It is an amenable number.

4938402309 is a deficient number, since it is larger than the sum of its proper divisors (2076202491).

4938402309 is a wasteful number, since it uses less digits than its factorization.

4938402309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043944.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 4938402309 is about 70273.7668621798. The cubic root of 4938402309 is about 1702.9248735942.

The spelling of 4938402309 in words is "four billion, nine hundred thirty-eight million, four hundred two thousand, three hundred nine".