6939164258 has 16 divisors (see below), whose sum is σ = 11291245560. Its totient is φ = 3179312256.

The previous prime is 6939164257. The next prime is 6939164263. The reversal of 6939164258 is 8524619396.

It can be written as a sum of positive squares in 4 ways, for example, as 3148668769 + 3790495489 = 56113^2 + 61567^2 .

It is not an unprimeable number, because it can be changed into a prime (6939164257) by changing a digit.

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, 970493 + ... + 977616.

Almost surely, 2^6939164258 is an apocalyptic number.

6939164258 is a deficient number, since it is larger than the sum of its proper divisors (4352081302).

6939164258 is a wasteful number, since it uses less digits than its factorization.

6939164258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948261.

The product of its digits is 2799360, while the sum is 53.

The square root of 6939164258 is about 83301.6461902164. The cubic root of 6939164258 is about 1907.3734039465.

The spelling of 6939164258 in words is "six billion, nine hundred thirty-nine million, one hundred sixty-four thousand, two hundred fifty-eight".