6149554855 has 4 divisors (see below), whose sum is σ = 7379465832. Its totient is φ = 4919643880.

The previous prime is 6149554811. The next prime is 6149554903. The reversal of 6149554855 is 5584559416.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-6149554855 is a prime.

It is a Duffinian number.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 614955481 + ... + 614955490.

It is an arithmetic number, because the mean of its divisors is an integer number (1844866458).

Almost surely, 2^6149554855 is an apocalyptic number.

6149554855 is a deficient number, since it is larger than the sum of its proper divisors (1229910977).

6149554855 is a wasteful number, since it uses less digits than its factorization.

6149554855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229910976.

The product of its digits is 4320000, while the sum is 52.

The square root of 6149554855 is about 78419.0975145723. The cubic root of 6149554855 is about 1832.0945941849.

The spelling of 6149554855 in words is "six billion, one hundred forty-nine million, five hundred fifty-four thousand, eight hundred fifty-five".