6939298061 has 4 divisors (see below), whose sum is σ = 6980850912. Its totient is φ = 6897745212.

The previous prime is 6939297991. The next prime is 6939298063. The reversal of 6939298061 is 1608929396.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6939298061 - 2²² = 6935103757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6939297994 and 6939298012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6939298063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20776175 + ... + 20776508.

It is an arithmetic number, because the mean of its divisors is an integer number (1745212728).

Almost surely, 2^6939298061 is an apocalyptic number.

It is an amenable number.

6939298061 is a deficient number, since it is larger than the sum of its proper divisors (41552851).

6939298061 is a wasteful number, since it uses less digits than its factorization.

6939298061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41552850.

The product of its (nonzero) digits is 1259712, while the sum is 53.

The square root of 6939298061 is about 83302.4493097292. The cubic root of 6939298061 is about 1907.3856633788.

The spelling of 6939298061 in words is "six billion, nine hundred thirty-nine million, two hundred ninety-eight thousand, sixty-one".