6149387949 has 8 divisors (see below), whose sum is σ = 8202035520. Its totient is φ = 4098166176.

The previous prime is 6149387947. The next prime is 6149387957. The reversal of 6149387949 is 9497839416.

6149387949 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6149387949 - 2¹ = 6149387947 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6149387892 and 6149387901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6149387941) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 346344 + ... + 363665.

It is an arithmetic number, because the mean of its divisors is an integer number (1025254440).

Almost surely, 2^6149387949 is an apocalyptic number.

It is an amenable number.

6149387949 is a deficient number, since it is larger than the sum of its proper divisors (2052647571).

6149387949 is a wasteful number, since it uses less digits than its factorization.

6149387949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712899.

The product of its digits is 11757312, while the sum is 60.

The square root of 6149387949 is about 78418.0333150481. The cubic root of 6149387949 is about 1832.0780189826.

The spelling of 6149387949 in words is "six billion, one hundred forty-nine million, three hundred eighty-seven thousand, nine hundred forty-nine".