6941889125 has 32 divisors (see below), whose sum is σ = 8912368608. Its totient is φ = 5394470400.

The previous prime is 6941889061. The next prime is 6941889131. The reversal of 6941889125 is 5219881496.

It is a Cunningham number, because it is equal to 83318²+1.

It can be written as a sum of positive squares in 16 ways, for example, as 170903329 + 6770985796 = 13073^2 + 82286^2 .

It is not a de Polignac number, because 6941889125 - 2⁶ = 6941889061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 4776899 + ... + 4778351.

It is an arithmetic number, because the mean of its divisors is an integer number (278511519).

Almost surely, 2^6941889125 is an apocalyptic number.

It is an amenable number.

6941889125 is a deficient number, since it is larger than the sum of its proper divisors (1970479483).

6941889125 is a wasteful number, since it uses less digits than its factorization.

6941889125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538 (or 2528 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 53.

The square root of 6941889125 is about 83318.0000060011. Note that the first 5 decimals coincide. The cubic root of 6941889125 is about 1907.6230333689.

The spelling of 6941889125 in words is "six billion, nine hundred forty-one million, eight hundred eighty-nine thousand, one hundred twenty-five".