4997439738 has 12 divisors (see below), whose sum is σ = 10827786138. Its totient is φ = 1665813240.

The previous prime is 4997439737. The next prime is 4997439781. The reversal of 4997439738 is 8379347994.

4997439738 is a `hidden beast` number, since 49 + 97 + 439 + 73 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4305065769 + 692373969 = 65613^2 + 26313^2 .

It is not an unprimeable number, because it can be changed into a prime (4997439737) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 138817753 + ... + 138817788.

Almost surely, 2^4997439738 is an apocalyptic number.

4997439738 is an abundant number, since it is smaller than the sum of its proper divisors (5830346400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4997439738 is a wasteful number, since it uses less digits than its factorization.

4997439738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277635549 (or 277635546 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 63.

The square root of 4997439738 is about 70692.5720143213. The cubic root of 4997439738 is about 1709.6840310832.

The spelling of 4997439738 in words is "four billion, nine hundred ninety-seven million, four hundred thirty-nine thousand, seven hundred thirty-eight".