5149787459 has 4 divisors (see below), whose sum is σ = 5149941720. Its totient is φ = 5149633200.

The previous prime is 5149787437. The next prime is 5149787473. The reversal of 5149787459 is 9547879415.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5149787459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5149787398 and 5149787407.

It is not an unprimeable number, because it can be changed into a prime (5149787429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3842 + ... + 101559.

It is an arithmetic number, because the mean of its divisors is an integer number (1287485430).

Almost surely, 2^5149787459 is an apocalyptic number.

5149787459 is a deficient number, since it is larger than the sum of its proper divisors (154261).

5149787459 is a wasteful number, since it uses less digits than its factorization.

5149787459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154260.

The product of its digits is 12700800, while the sum is 59.

The square root of 5149787459 is about 71762.0196134418. The cubic root of 5149787459 is about 1726.8837458613.

The spelling of 5149787459 in words is "five billion, one hundred forty-nine million, seven hundred eighty-seven thousand, four hundred fifty-nine".