5149335368 has 8 divisors (see below), whose sum is σ = 9655003830. Its totient is φ = 2574667680.

The previous prime is 5149335353. The next prime is 5149335371. The reversal of 5149335368 is 8635339415.

It can be written as a sum of positive squares in only one way, i.e., 4769007364 + 380328004 = 69058^2 + 19502^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 321833453 + ... + 321833468.

Almost surely, 2^5149335368 is an apocalyptic number.

It is an amenable number.

5149335368 is a deficient number, since it is larger than the sum of its proper divisors (4505668462).

5149335368 is a wasteful number, since it uses less digits than its factorization.

5149335368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643666927 (or 643666923 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 47.

The square root of 5149335368 is about 71758.8696120556. The cubic root of 5149335368 is about 1726.8332109961.

The spelling of 5149335368 in words is "five billion, one hundred forty-nine million, three hundred thirty-five thousand, three hundred sixty-eight".