6939213125 has 40 divisors (see below), whose sum is σ = 9363002880. Its totient is φ = 5110776000.

The previous prime is 6939213121. The next prime is 6939213133. The reversal of 6939213125 is 5213129396.

It is not a de Polignac number, because 6939213125 - 2² = 6939213121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6939213121) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3890984 + ... + 3892766.

It is an arithmetic number, because the mean of its divisors is an integer number (234075072).

Almost surely, 2^6939213125 is an apocalyptic number.

6939213125 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6939213125 is a deficient number, since it is larger than the sum of its proper divisors (2423789755).

6939213125 is a wasteful number, since it uses less digits than its factorization.

6939213125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295 (or 2280 counting only the distinct ones).

The product of its digits is 87480, while the sum is 41.

The square root of 6939213125 is about 83301.9395032313. The cubic root of 6939213125 is about 1907.3778813059.

The spelling of 6939213125 in words is "six billion, nine hundred thirty-nine million, two hundred thirteen thousand, one hundred twenty-five".