6149744990 has 16 divisors (see below), whose sum is σ = 11102989680. Its totient is φ = 2452464960.

The previous prime is 6149744971. The next prime is 6149745079. The reversal of 6149744990 is 994479416.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925655 + ... + 932274.

It is an arithmetic number, because the mean of its divisors is an integer number (693936855).

Almost surely, 2^6149744990 is an apocalyptic number.

6149744990 is a deficient number, since it is larger than the sum of its proper divisors (4953244690).

6149744990 is a wasteful number, since it uses less digits than its factorization.

6149744990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858267.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The square root of 6149744990 is about 78420.3098055599. The cubic root of 6149744990 is about 1832.1134758613.

The spelling of 6149744990 in words is "six billion, one hundred forty-nine million, seven hundred forty-four thousand, nine hundred ninety".