6144644936 has 8 divisors (see below), whose sum is σ = 11521209270. Its totient is φ = 3072322464.

The previous prime is 6144644923. The next prime is 6144644983. The reversal of 6144644936 is 6394464416.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4208116900 + 1936528036 = 64870^2 + 44006^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×6144644936² = 75513322779020888192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384040301 + ... + 384040316.

Almost surely, 2^6144644936 is an apocalyptic number.

It is an amenable number.

6144644936 is a deficient number, since it is larger than the sum of its proper divisors (5376564334).

6144644936 is a wasteful number, since it uses less digits than its factorization.

6144644936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768080623 (or 768080619 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 47.

The square root of 6144644936 is about 78387.7856301605. The cubic root of 6144644936 is about 1831.6068715571.

The spelling of 6144644936 in words is "six billion, one hundred forty-four million, six hundred forty-four thousand, nine hundred thirty-six".