5149749357 has 12 divisors (see below), whose sum is σ = 7678479744. Its totient is φ = 3322418760.

The previous prime is 5149749347. The next prime is 5149749373. The reversal of 5149749357 is 7539479415.

5149749357 is a `hidden beast` number, since 5 + 14 + 97 + 493 + 57 = 666.

It is not a de Polignac number, because 5149749357 - 2⁷ = 5149749229 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5149749347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9228663 + ... + 9229220.

It is an arithmetic number, because the mean of its divisors is an integer number (639873312).

Almost surely, 2^5149749357 is an apocalyptic number.

It is an amenable number.

5149749357 is a deficient number, since it is larger than the sum of its proper divisors (2528730387).

5149749357 is a wasteful number, since it uses less digits than its factorization.

5149749357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18457920 (or 18457917 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 54.

The square root of 5149749357 is about 71761.7541382595. The cubic root of 5149749357 is about 1726.8794869227.

The spelling of 5149749357 in words is "five billion, one hundred forty-nine million, seven hundred forty-nine thousand, three hundred fifty-seven".