5249387738 has 24 divisors (see below), whose sum is σ = 9698451732. Its totient is φ = 2117399424.

The previous prime is 5249387729. The next prime is 5249387761. The reversal of 5249387738 is 8377839425.

It can be written as a sum of positive squares in 2 ways, for example, as 5247988249 + 1399489 = 72443^2 + 1183^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1573781 + ... + 1577112.

Almost surely, 2^5249387738 is an apocalyptic number.

5249387738 is a deficient number, since it is larger than the sum of its proper divisors (4449063994).

5249387738 is a wasteful number, since it uses less digits than its factorization.

5249387738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150926 (or 3150919 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 56.

The square root of 5249387738 is about 72452.6585985635. The cubic root of 5249387738 is about 1737.9457566729.

The spelling of 5249387738 in words is "five billion, two hundred forty-nine million, three hundred eighty-seven thousand, seven hundred thirty-eight".