6144707849 has 12 divisors (see below), whose sum is σ = 7149213828. Its totient is φ = 5265943200.

The previous prime is 6144707837. The next prime is 6144707879. The reversal of 6144707849 is 9487074416.

It can be written as a sum of positive squares in 2 ways, for example, as 1294560400 + 4850147449 = 35980^2 + 69643^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6144707849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6144707797 and 6144707806.

It is not an unprimeable number, because it can be changed into a prime (6144707879) 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, 472859 + ... + 485679.

It is an arithmetic number, because the mean of its divisors is an integer number (595767819).

Almost surely, 2^6144707849 is an apocalyptic number.

It is an amenable number.

6144707849 is a deficient number, since it is larger than the sum of its proper divisors (1004505979).

6144707849 is a wasteful number, since it uses less digits than its factorization.

6144707849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22616 (or 22609 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The square root of 6144707849 is about 78388.1869225204. The cubic root of 6144707849 is about 1831.6131226093.

The spelling of 6144707849 in words is "six billion, one hundred forty-four million, seven hundred seven thousand, eight hundred forty-nine".