6143255979 has 12 divisors (see below), whose sum is σ = 9528315624. Its totient is φ = 3510431904.

The previous prime is 6143255971. The next prime is 6143255999. The reversal of 6143255979 is 9795523416.

It is not a de Polignac number, because 6143255979 - 2³ = 6143255971 is a prime.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6143255971) 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, 20895282 + ... + 20895575.

It is an arithmetic number, because the mean of its divisors is an integer number (794026302).

Almost surely, 2^6143255979 is an apocalyptic number.

6143255979 is a deficient number, since it is larger than the sum of its proper divisors (3385059645).

6143255979 is a wasteful number, since it uses less digits than its factorization.

6143255979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41790874 (or 41790867 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 51.

The square root of 6143255979 is about 78378.9256050375. The cubic root of 6143255979 is about 1831.4688535526.

The spelling of 6143255979 in words is "six billion, one hundred forty-three million, two hundred fifty-five thousand, nine hundred seventy-nine".