6139245872 has 40 divisors (see below), whose sum is σ = 12005308992. Its totient is φ = 3041236800.

The previous prime is 6139245869. The next prime is 6139245883. The reversal of 6139245872 is 2785429316.

It is a super-3 number, since 3×6139245872³ (a number of 30 digits) contains 333 as substring.

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, 762347 + ... + 770357.

Almost surely, 2^6139245872 is an apocalyptic number.

It is an amenable number.

6139245872 is a deficient number, since it is larger than the sum of its proper divisors (5866063120).

6139245872 is a wasteful number, since it uses less digits than its factorization.

6139245872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8457 (or 8451 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 6139245872 is about 78353.3398905241. The cubic root of 6139245872 is about 1831.0702601070.

The spelling of 6139245872 in words is "six billion, one hundred thirty-nine million, two hundred forty-five thousand, eight hundred seventy-two".