6750139843 has 4 divisors (see below), whose sum is σ = 7043624208. Its totient is φ = 6456655480.

The previous prime is 6750139813. The next prime is 6750139931. The reversal of 6750139843 is 3489310576.

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

It is a cyclic number.

It is not a de Polignac number, because 6750139843 - 2⁵ = 6750139811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6750139793 and 6750139802.

It is not an unprimeable number, because it can be changed into a prime (6750139813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146742148 + ... + 146742193.

It is an arithmetic number, because the mean of its divisors is an integer number (1760906052).

Almost surely, 2^6750139843 is an apocalyptic number.

6750139843 is a deficient number, since it is larger than the sum of its proper divisors (293484365).

6750139843 is a wasteful number, since it uses less digits than its factorization.

6750139843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293484364.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 6750139843 is about 82159.2346787627. The cubic root of 6750139843 is about 1889.8946259477.

The spelling of 6750139843 in words is "six billion, seven hundred fifty million, one hundred thirty-nine thousand, eight hundred forty-three".