6941655139 has 4 divisors (see below), whose sum is σ = 7243466256. Its totient is φ = 6639844024.

The previous prime is 6941655113. The next prime is 6941655167. The reversal of 6941655139 is 9315561496.

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 6941655139 - 2⁵ = 6941655107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6941655092 and 6941655101.

It is not an unprimeable number, because it can be changed into a prime (6941685139) 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, 150905524 + ... + 150905569.

It is an arithmetic number, because the mean of its divisors is an integer number (1810866564).

Almost surely, 2^6941655139 is an apocalyptic number.

6941655139 is a deficient number, since it is larger than the sum of its proper divisors (301811117).

6941655139 is a wasteful number, since it uses less digits than its factorization.

6941655139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301811116.

The product of its digits is 874800, while the sum is 49.

The square root of 6941655139 is about 83316.5958198005. The cubic root of 6941655139 is about 1907.6016001015.

The spelling of 6941655139 in words is "six billion, nine hundred forty-one million, six hundred fifty-five thousand, one hundred thirty-nine".