5149649463 has 24 divisors (see below), whose sum is σ = 8118163440. Its totient is φ = 2894411520.

The previous prime is 5149649459. The next prime is 5149649471. The reversal of 5149649463 is 3649469415.

It is not a de Polignac number, because 5149649463 - 2² = 5149649459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5149649443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 278178 + ... + 296111.

It is an arithmetic number, because the mean of its divisors is an integer number (338256810).

Almost surely, 2^5149649463 is an apocalyptic number.

5149649463 is a deficient number, since it is larger than the sum of its proper divisors (2968513977).

5149649463 is a wasteful number, since it uses less digits than its factorization.

5149649463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574367 (or 574360 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 51.

The square root of 5149649463 is about 71761.0581234697. The cubic root of 5149649463 is about 1726.8683209414.

The spelling of 5149649463 in words is "five billion, one hundred forty-nine million, six hundred forty-nine thousand, four hundred sixty-three".